Most Visited

Article Visits Status
End of support for Firefox Reality 439
Review Needed
New in Thunderbird 115 Supernova 50
Updated
SmartBlock for Enhanced Tracking Protection 50
Updated
Thunderbird and Junk / Spam Messages 49
Updated
Keyboard shortcuts - Perform common Firefox tasks quickly 40
Updated
I'm having problems with my Mozilla account 36
Updated
In which countries is MDN Plus available to subscribe? 36
Updated
How do I set up Sync on my computer? 32
Updated
How do I monitor multiple email addresses? 28
Updated
Back up and transfer your Firefox data to a new device 24
Updated
Take screenshots in Firefox 14
Updated
End of support for Firefox Private Network 10
Updated
How to opt out of studies on Firefox for iOS 7
Updated
Enhanced Tracking Protection in Firefox for Android 6
Updated
What's new in Firefox for Android 5
Updated
Get started with Firefox - An overview of the main features 3
Updated
End of support for Firefox Lockwise 2
Review Needed
Frequently Asked Questions 2
Updated
Access Mozilla services with a Mozilla account 1
Updated
Access your add-ons with a Mozilla account 1
Updated
Add-ons in Firefox for iOS 1
Updated
Captive portal detection 1
Updated
Change primary email address on Mozilla account 1
Updated
Choose the Mozilla VPN plan that is right for you 1
Updated
Download the Beta and Nightly versions of Firefox Focus for Android 1
Updated
Enhanced Tracking Protection in Firefox for desktop 1
Updated
Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release 1
Updated
How do I choose my server on Mozilla VPN? 1
Updated
How to download and install Firefox on Mac 1
Updated
Pop-up blocker settings, exceptions and troubleshooting 1
Updated
Profile Manager - Create, remove or switch Firefox profiles 1
Updated
Thunderbird and Yahoo 1
Updated
Websites don't load - troubleshoot and fix error messages 1
Updated
Will Firefox work on my mobile device? 1
Updated
Common Myths about Private Browsing 0
Updated
Customizing Firefox Using AutoConfig 0
Review Needed
Firefox options, preferences and settings 0
Updated
Uninstall Firefox from your computer 0
Review Needed
Update Firefox to the latest release 0
Updated
Windows 10 warns me to use a "Microsoft-verified" app 0
Updated
64-bit Firefox crashes with Citrix's XenApp VM
Updated
"About" article type best practices
Updated
About Firefox Desktop Attribution
Updated
About paywalled articles in Pocket's recommendations
Updated
About Picture-in-Picture in Firefox
Updated
About Studies
Updated
Access downloads in Firefox Lite
Updated
Access games from Firefox Lite
Updated
Access hidden tabs in Firefox
Updated
Accessibility features in Firefox - Make Firefox and web content work for all users
Updated
Accessibility not available during multi-process support
Updated
Access pages from other devices with Firefox View
Updated
Access popular sites from Firefox Lite
Updated
Access the latest news from Firefox Lite
Updated
Access toolbar functions using the keyboard
Updated
Activate Firefox Relay - Mask your email address
Updated
Add a Firefox widget to your Home screen
Updated
Add a login with the Firefox Password Manager
Review Needed
Add and delete collections in MDN Plus
Updated
Add a search engine to Firefox Focus for Android
Updated
Add a search engine to Firefox klar for Android
Updated
Add a secondary email address to Mozilla accounts
Updated
Add a website shortcut to your home screen on Android
Updated
Add a website shortcut to your home screen on iOS
Updated
Add, delete and view bookmarked webpages in Firefox for Android
Updated
Add Firefox Relay to the Firefox password manager
Updated
Add Firefox to the Today view on your iOS device
Updated
Adding a holiday calendar
Review Needed
Adding a shortcut to Pocket on your Windows desktop
Review Needed
Add-on Badges
Updated
Add-on signing in Firefox
Updated
Add-ons that cause stability or security issues are put on a blocklist
Updated
Add or remove a search engine in Firefox
Updated
Address autofill on Firefox
Updated
Address bar autocomplete suggestions in Firefox
Updated
Addressing an Email
Updated
Add search engines in Firefox Focus for iOS
Updated
Add search engines in Firefox Klar for iOS
Updated
Add Search Engine to Open Search
Updated
Add shortcuts to websites on your home screen
Updated
Add the Firefox Search widget to your home screen
Updated
Add the Search bar to your Firefox toolbar
Updated
Add trusted sites to your allow list on Firefox Klar
Updated
Add trusted websites to your allow list in Firefox Focus
Updated
Add web page shortcuts to your Home screen
Updated
Add web page shortcuts to your Home screen in Firefox Klar
Updated
Add web pages to your Reading List on Firefox for iOS
Updated
Advanced panel - System, network, updates, and other advanced settings in Thunderbird
Updated
Allow or block media autoplay in Firefox
Updated
Am I really hacking a web page?
Updated
AMO (addons.mozilla.org) - Managing account data
Updated
An extension changed my New Tab page or home page
Updated
Archived Messages
Updated
Are all my badges public?
Updated
Are there limits to my Mozilla VPN connection?
Updated
Assign shortcuts to search engines
Updated
Auto-close open tabs in Firefox for Android
Updated
Autocomplete settings in the Firefox Focus address bar
Updated
Autocomplete settings in the Firefox Klar address bar
Updated
Autocomplete web addresses in the URL bar in Firefox Focus for iOS
Updated
Autocomplete web addresses in the URL bar in Firefox Klar for iOS
Updated
Autofill Credit Cards in Firefox for iOS
Updated
Autofill logins on Firefox
Updated
Automatic Account Configuration
Review Needed
Automatically fill in credit card and payment method data on Web forms
Updated
Automatically fill in credit card information on Firefox for Android
Updated
Automatically fill in your address on web forms
Updated
Automatically fill in your address on web forms in Firefox for Android
Updated
Automatically launch Mozilla VPN when your device starts
Review Needed
Automatically trust third-party root certificates
Updated
Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication
Updated
Avoid and report Mozilla tech support scams
Updated
Avoid crashes - Tips and tricks
Updated
Avoid getting locked out of your Mozilla account
Updated
Back up and restore information in Firefox profiles
Updated
Best practices for installing and updating Firefox
Updated
Block add-ons in Firefox for Enterprise
Updated
Block and unblock websites with parental controls on Firefox
Updated
Block cookie banners on Firefox for Android
Updated
Block cookies in Firefox Focus for Android
Updated
Block cookies in Firefox Klar for Android
Updated
Block deceptive content and dangerous downloads in Firefox
Updated
Blocking a sender
Updated
Block websites from storing cookies and site data in Firefox
Updated
Bookmark a page in Firefox Reality
Updated
Bookmark pages in Firefox Lite
Updated
Bookmarks in Firefox
Updated
Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window
Updated
Bookmark Tags - Categorize bookmarks to make them easy to find
Updated
Browse faster by blocking images in Firefox Lite
Updated
Browsing history in Firefox - View the websites you have visited
Updated
Bugzilla - Managing account data
Updated
Built-in themes in Firefox - alternative to complete themes
Updated
Bulk Editing in Pocket on your computer
Updated
Calendar updates issues with Thunderbird
Updated
Canary domain - use-application-dns.net
Updated
Canceling your Pocket Premium subscription
Updated
Can I create a single account for all of the students in my classroom to use?
Updated
Can I print a tip sheet with X-Ray Goggles shortcuts for an event?
Updated
Can I subscribe to my list via RSS?
Updated
Can I use my screen reader with the new Firefox?
Updated
Cannot delete messages
Updated
Cannot receive messages
Updated
Cannot remove an add-on (extension or theme)
Updated
Cannot send messages
Updated
Can't add, change or save bookmarks - How to fix
Updated
Can’t save to Pocket in Firefox - Asked to log in every time
Updated
Capture screenshots using Firefox Lite
Updated
CCleaner is deleting Firefox extension settings in Firefox 79
Updated
"Certificate cannot be trusted" warning in Kazakhstan
Updated
Certificate contains the same serial number as another certificate
Updated
Certificate warnings in Firefox for iOS
Updated
Change Firefox Lite themes
Updated
Change Firefox Lite to Night Mode
Updated
Change site permissions in Firefox Focus for Android
Updated
Change site permissions in Firefox Klar for Android
Updated
Changes to toolbars and window sizes are not saved
Updated
Change the default email program in Firefox for iOS
Updated
Change the default language of Firefox for Android
Updated
Change the default language on Firefox for iOS
Updated
Change the default search in Firefox Focus on iOS
Updated
Change the default search in Firefox Klar on iOS
Updated
Change the fonts and colors websites use
Updated
Change themes in Firefox for iOS
Updated
Change the program used to open email links
Updated
Change to desktop view on Firefox Focus for iOS
Updated
Change to desktop view on Firefox Klar for Android
Review Needed
Change to desktop view on Firefox Klar for iOS
Updated
Change website appearance settings in Firefox
Updated
Change your default search engine in Firefox for iOS
Updated
Change your default search on Firefox Focus for Android
Updated
Change your default search on Firefox Klar for Android
Updated
Change your default search settings in Firefox
Updated
Change your Mozilla account password
Updated
Change your theme in Firefox Focus for Android
Updated
Change your theme in Firefox Focus for iOS
Updated
Change your theme in Firefox Klar for Android
Updated
Change your theme in Firefox Klar for iOS
Updated
Change your wallpaper in Firefox for Android
Updated
Change your wallpaper in Firefox for iOS
Updated
Changing calendar preferences
Updated
Changing IMAP to POP
Updated
Changing the Date or Time of an Event
Review Needed
Changing Your language in Pocket
Updated
Changing your two-step authentication device for your Mozilla account
Updated
Choose a strong password
Updated
Choose display languages for multilingual web pages
Updated
Choose your opening screen for Firefox for iOS
Updated
Choosing a Firefox CPU architecture for Windows OS
Updated
Choosing a Firefox update channel
Updated
Clear browsing history from Firefox Lite
Updated
Clear browsing history in Firefox for iOS
Updated
Clear cookies and site data in Firefox
Updated
Clear cookies and site data in Firefox for Fire TV
Updated
Clear cookies and website data for a single domain in Firefox for Android
Updated
Clear my cookies on Firefox for Echo Show
Updated
Clear recent searches from the Search bar
Updated
Clear your browsing history and other personal data on Firefox for Android
Updated
Clear your browsing history in Firefox for Android
Updated
Clear your cache without clearing your browsing history
Updated
Cliqz Recommendations in Firefox
Updated
Collections in Firefox
Updated
Common Voice Accounts - Managing Account Data
Updated
Compacting folders
Updated
Compacting folders - Potential complications
Review Needed
Compatibility with Exploit protection on Windows
Updated
Config Editor
Updated
Configuration Editor for Firefox
Updated
Configuration Options for Accounts
Updated
Configuration Options for Attachments
Updated
Configuration Options for Identity
Updated
Configure DNS over HTTPS protection levels in Firefox
Updated
Configure firewalls so that Firefox can access the Internet
Updated
Configuring Lightning
Updated
Configuring Networks to Disable DNS over HTTPS
Updated
Connecting to unsecured networks while using Mozilla VPN
Updated
Connection settings in Firefox
Updated
Contact support from my Mozilla VPN app
Updated
Control audio or video playback with your keyboard
Updated
Control whether Firefox automatically fills in forms
Updated
Cookies - Information that websites store on your computer
Updated
Copy a saved password in Firefox for Android
Updated
Copy text from images on Firefox for MacOS
Updated
Crash on Broadwell-U with old microcode
Updated
Crash reporting in Firefox Reality
Updated
Create a desktop shortcut to a website
Updated
Create an email mask through Firefox Relay
Updated
Create secure passwords to keep your identity safe
Updated
Creating a new event or task
Updated
Creating a Newsgroup Account
Updated
Creating a recurring event
Updated
Creating New Calendars
Updated
Custom installation of Firefox on Windows
Updated
Custom installation of Thunderbird on Windows
Updated
Customize Date and Time formats in Thunderbird
Updated
Customize Firefox controls, buttons and toolbars
Updated
Customize Firefox Home on iOS
Updated
Customize items on your Firefox New Tab page
Updated
Customize the Firefox home screen
Review Needed
Customize your New Tab page to hide or display content
Updated
Customizing Firefox on MacOS using configuration profiles
Updated
Customizing Firefox Using Group Policy (Windows)
Updated
Customizing Firefox Using policies.json
Updated
Customizing your reading experience in Pocket Premium
Updated
Customizing your reading settings in Pocket
Updated
Dangerous directories
Updated
Data broker scan
Updated
Data broker sites
Updated
Debugging policy issues
Updated
Deceased or incapacitated account management FAQ
Updated
Dedicated profile per Thunderbird installation
Updated
Dedicated profiles per Firefox installation
Updated
Delete an individual tab in Firefox Focus for Android
Review Needed
Delete an individual tab in Firefox Klar for Android
Updated
Delete browsing, search and download history on Firefox
Updated
Delete sync data from Firefox by signing out of your Mozilla account
Updated
Deleting Your Pocket account
Review Needed
Deploy Firefox with MSI installers
Updated
Deploying Firefox Customizations on macOS
Updated
Deploying Firefox on MacOS using PKG and Jamf
Updated
Deploying Firefox on Windows
Updated
Deploying Firefox with extensions
Updated
Deploying Firefox with Language Packs
Updated
Diagnose Firefox issues using Troubleshoot Mode
Updated
Difficulties opening or using a website in Firefox 100
Updated
Difficulties opening or using a website in Firefox Focus for Android 100
Updated
Difficulties with a website in Firefox Klar for Android 100
Updated
Digitally Signing and Encrypting Messages
Updated
Disable credit card and payment method syncing across devices
Updated
Disable email forwarding - Stop receiving emails sent through your masks
Updated
Disable Firefox Sync
Updated
Disable Firefox Sync on a lost phone or tablet
Updated
Disable high contrast mode in Firefox
Updated
Disable or re-enable Pocket for Firefox
Updated
Disable or remove Add-ons
Updated
Disable password saving in Firefox
Updated
Disconnect your Mozilla account from Fire TV
Updated
Disconnect your Mozilla account from Lockwise
Updated
Discourse - Managing account data
Updated
Discover page FAQ
Updated
Display the Thunderbird menus and toolbar
Updated
DNS-over-HTTPS (DoH) FAQs
Updated
Does Firefox share my location with websites?
Updated
Do I need an account to publish a project using Thimble?
Updated
Do I need an account to publish a project using X-Ray Goggles?
Updated
Domains to Allow for Firefox
Updated
DOM events changes introduced in Firefox 66
Updated
Download Firefox on Windows from the Microsoft Store
Updated
Download photos and files on Firefox for iOS
Updated
Downloads in Firefox for Android
Updated
Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix
Updated
Drag and drop links and tabs to and from Firefox
Updated
Drag links to and from Firefox Focus
Updated
Drag links to and from Firefox Klar
Updated
Edit or delete a login with the Firefox Password Manager
Review Needed
Edit top sites on Firefox Lite home screen
Updated
Enable auto-fill on your Android devices
Updated
Enable auto-fill on your iPhone or iPad
Updated
Enable background updates on Firefox for Windows when Firefox is not running
Updated
Enable email invitations for CalDAV servers configured to do serverside scheduling
Updated
Enable light or dark mode in MDN
Updated
Enable or disable Local Network Access on iOS
Review Needed
Enable or disable search engines on Firefox for iOS
Updated
Enabling the Pocket Share extension in iOS
Updated
Encrypted Client Hello (ECH) - Frequently asked questions
Updated
End of support for Adobe Flash
Updated
End of support for Firefox Lite
Updated
End of support for Firefox on Amazon Devices
Updated
End of support for Mozilla Hubs
Review Needed
Enforcing policies on Firefox for Enterprise
Updated
Enhanced Tracking Protection in Firefox for iOS
Updated
Exclude applications from Mozilla VPN protection
Review Needed
Export bookmarks to Safari
Updated
Export Firefox bookmarks to an HTML file to back up or transfer bookmarks
Updated
Exporting and sharing a calendar
Review Needed
Exporting your Pocket saves
Review Needed
Export login data from Firefox
Review Needed
Export your Thunderbird Profile
Review Needed
Extensions in Private Browsing
Updated
Facebook Container isn't working
Updated
Facebook Container - Prevent Facebook from tracking you on other websites
Updated
"FAQ" article type best practices
Updated
FAQ Changing IMAP to POP
Updated
Feed reader replacements for Firefox
Updated
Filelink for Large Attachments
Updated
File system paths on Linux are always treated as UTF-8
Updated
Find and install add-ons to add features to Firefox
Updated
Find and install extensions on Firefox for Android
Updated
Find what version of Firefox you are using
Updated
Find what version of Thunderbird you are using
Updated
Find words on a page in Firefox Focus for Android
Updated
Find words on a page in Firefox Focus for iOS
Updated
Find words on a page in Firefox Klar for Android
Updated
Find words on a page in Firefox Klar for iOS
Updated
Find words on a page in Firefox Lite
Updated
Firefox accounts renamed Mozilla accounts - What you need to know
Updated
Firefox advanced customization and configuration options
Updated
Firefox and other browsers can't load websites
Updated
Firefox Browser welcome pages - helping you get more from Firefox products and services
Updated
Firefox can't load websites but other browsers can
Updated
Firefox crashes - asking for support
Updated
Firefox desktop icon gallery for SUMO contributors
Updated
Firefox DNS-over-HTTPS
Updated
Firefox does not work - Common fixes to get you back up and running
Updated
Firefox doesn't save web form entries
Updated
Firefox Enterprise Kiosk mode
Updated
Firefox ESR release cycle
Updated
Firefox Focus for Android - Frequently asked questions
Updated
Firefox Focus main Menu
Updated
Firefox for Android (68 and earlier) end of support
Updated
Firefox for Echo Show
Updated
Firefox for Enterprise 100 - Release notes
Updated
Firefox for Enterprise 101 - Release notes
Updated
Firefox for Enterprise 102 - Release notes
Updated
Firefox for Enterprise 104 - Release notes
Updated
Firefox for Enterprise 107 - Release notes
Updated
Firefox for Enterprise 109 - Release notes
Updated
Firefox for Enterprise 110 - Release notes
Updated
Firefox for Enterprise 112 - Release notes
Updated
Firefox for Enterprise 113 - Release notes
Updated
Firefox for Enterprise 114 - Release notes
Updated
Firefox for Enterprise 115 - Release notes
Updated
Firefox for Enterprise 116 - Release notes
Updated
Firefox for Enterprise 117 - Release notes
Updated
Firefox for Enterprise 118 - Release notes
Updated
Firefox for Enterprise 119 - Release notes
Updated
Firefox for Enterprise 120 - Release notes
Review Needed
Firefox for Enterprise 121 - Release notes
Updated
Firefox for Enterprise 122 - Release notes
Updated
Firefox for Enterprise 123 - Release notes
Updated
Firefox for Enterprise 124 - Release notes
Updated
Firefox for Enterprise 125 - Release notes
Updated
Firefox for Enterprise 126 - Release notes
Updated
Firefox for Enterprise 127 - Release notes
Review Needed
Firefox for Enterprise 78 - Release notes
Updated
Firefox for Enterprise 79 - Release notes
Updated
Firefox for Enterprise 80 - Release notes
Updated
Firefox for Enterprise 81 - Release notes
Updated
Firefox for Enterprise 82 - Release notes
Updated
Firefox for Enterprise 83 - Release notes
Updated
Firefox for Enterprise 84 - Release notes
Updated
Firefox for Enterprise 85 - Release notes
Updated
Firefox for Enterprise 86 - Release notes
Updated
Firefox for Enterprise 87 - Release notes
Updated
Firefox for Enterprise 88 - Release notes
Updated
Firefox for Enterprise 89 - Release notes
Updated
Firefox for Enterprise 90 - Release notes
Updated
Firefox for Enterprise 91 - Release notes
Updated
Firefox for Enterprise 92 - Release notes
Updated
Firefox for Enterprise 93 - Release notes
Updated
Firefox for Enterprise 94 - Release notes
Updated
Firefox for Enterprise 95 - Release notes
Updated
Firefox for Enterprise 96 - Release notes
Updated
Firefox for Enterprise 97 - Release notes
Updated
Firefox for Enterprise 98 - Release notes
Updated
Firefox for Enterprise 99 - Release notes
Updated
Firefox for Fire TV
Updated
Firefox for iOS won't load web pages
Updated
Firefox hangs or is not responding - How to fix
Updated
Firefox hangs when copying with Suggested Actions enabled on Windows 11 - What to do
Updated
Firefox has ended support for Windows XP and Vista
Updated
"Firefox is already running but is not responding" error - How to fix
Updated
Firefox is no longer available for download in the T-Store
Updated
Firefox is stuck in Troubleshoot Mode
Updated
Firefox keeps asking me for Primary Password
Updated
Firefox keeps crashing at startup
Updated
Firefox Klar for Android - Frequently asked questions
Updated
Firefox Lite Content and Services
Updated
Firefox Lite enhanced search with Awesome bar
Updated
Firefox Lite Turbo Mode
Updated
Firefox Lite: What vendors do you use that could receive my data?
Updated
Firefox Lockwise and Privacy
Updated
Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release
Updated
Firefox Notes status
Updated
Firefox Page Info window
Updated
Firefox Password Manager - Alerts for breached websites
Updated
Firefox privacy and security features
Updated
Firefox Reader View for clutter-free web pages
Updated
Firefox Reality for VR headsets
Updated
Firefox Relay Premium FAQ
Updated
Firefox Relay - What is an Email mask?
Updated
Firefox release notes - What's new and known issues
Updated
Firefox repeatedly opens empty tabs or windows after you click on a link
Updated
Firefox Review Checker - Ensure review authenticity in your online shopping
Updated
Firefox says it's just updated every time it starts - how to fix
Updated
Firefox ScreenshotGo - capture and organize screenshots
Updated
Firefox's performance settings
Updated
Firefox's protection against fingerprinting
Updated
Firefox starts automatically when I restart Windows
Updated
Firefox Subprocessor List
Updated
Firefox Suggest FAQ
Updated
Firefox Suggest for Mobile
Updated
Firefox Sync takes too long to sync or send pages from my iPhone or iPad
Updated
Firefox takes a long time to start up
Updated
Firefox Translation
Updated
Firefox translation for Android
Updated
Firefox Translations Add-on
Updated
Firefox update notifications on Windows
Updated
Firefox users on Windows 7, 8 and 8.1 moving to Extended Support Release
Updated
Firefox uses too much memory or CPU resources - How to fix
Updated
Firefox won't start - find solutions
Updated
Fix common audio and video issues
Updated
Fix login issues on websites that require a username and password
Updated
Fix printing problems in Firefox
Updated
Fix problems connecting to websites after updating Firefox
Updated
Fix problems that cause images to not show
Updated
Fix problems with Facebook games, chat and more
Updated
Fix "The bookmarks and history system will not be functional" error message
Updated
Fix video and audio problems on Firefox for Windows N editions
Updated
Font size and zoom - increase the size of web pages
Updated
Forget button - quickly delete your browsing history on Firefox
Updated
Fritz!box isn't working when Mozilla VPN is on
Updated
GeckoView in Firefox Focus
Updated
GeckoView in Firefox Klar
Updated
General questions about Relay email domains
Updated
Get help with Firefox Developer Edition
Updated
Get involved with the Open Badges Community
Updated
Get started with Firefox Lite
Updated
Get started with Monitor Plus
Updated
Get started with Mozilla Monitor
Updated
Getting started with Firefox Lockwise
Updated
Getting started with Pocket for Android
Updated
Getting started with Pocket for Android Beta
Review Needed
Getting started with Pocket for iOS
Updated
Getting started with Pocket for iOS Beta
Updated
Getting started with Pocket for Mac
Updated
Getting started with Pocket on your computer
Updated
Getting started with Pocket on your Kobo eReader
Updated
Getting started with the Firefox for Android tablet browser
Updated
Getting started with the Thunderbird main window
Updated
Getting Started with the Thunderbird main window (Supernova and newer)
Updated
Get your local weather forecast from the Firefox address bar
Updated
Global Privacy Control
Updated
Global Privacy Control in Firefox for Android
Updated
Global Search
Updated
Glossary of Terms including types of Accounts
Updated
Google Sign-On FAQ
Updated
Grant camera access to Firefox for Android
Updated
Help improve Firefox for Echo Show by sending usage data
Updated
Hide Images in Firefox for iOS
Updated
Hide Pocket in your Firefox New Tab page
Updated
Hide Pocket recommendations in Firefox
Updated
Highlighting in Pocket
Updated
Home page with pipe character opens extra tabs when Firefox starts
Updated
How can I access projects I made with an older version of Thimble?
Updated
How can I contact support if I can’t sign in to Mozilla VPN
Updated
How can I get help with my Thimble project?
Updated
How can I get help with my X-Ray Goggles project?
Updated
How can I get the latest version of Thunderbird on Windows XP or Vista?
Updated
How can I help by submitting mobile performance data?
Updated
How can I help submit and resolve bugs in the MDN content repo?
Updated
How can I insert a selfie into my Thimble project?
Updated
How can I personally display Open Badges?
Updated
How can I recover my lost Pocket account?
Updated
How can I send a large attachment?
Updated
How can I share my Thimble projects?
Updated
How can I tell if Mozilla VPN is connected?
Updated
How can I use Thimble in my classroom or out-of-school learning environment?
Updated
How can I use Thimble to teach myself to code?
Updated
How does built-in Phishing and Malware Protection work?
Updated
How does Firefox Focus for Android use the permissions it requests?
Updated
How does Firefox Focus for iOS use the permissions it requests?
Updated
How does Firefox for Android use the permissions it requests?
Updated
How does Firefox for iOS use the permissions it requests?
Updated
How does Firefox Klar for Android use the permissions it requests?
Updated
How does Firefox Klar for iOS use the permissions it requests?
Updated
How does Monitor Plus work?
Updated
How does my organization become a displayer of Open Badges?
Updated
How do I add code comments to a Thimble project?
Updated
How do I become an issuer?
Updated
How do I block phone calls or texts to my Relay Phone mask?
Updated
How do I cancel my subscription to Firefox Relay?
Updated
How do I cancel my subscription to MDN Plus?
Updated
How do I cancel my subscription to Mozilla VPN?
Review Needed
How do I change my DNS settings?
Updated
How do I change my MDN Plus subscription plan?
Updated
How do I change my Privacy features?
Updated
How do I change to the desktop view in Firefox for Android?
Updated
How do I choose what information to sync on Firefox?
Updated
How do I contact MDN Plus support?
Review Needed
How do I contact MDN Plus support if I forgot my password for Mozilla account?
Updated
How do I contact support for Monitor Plus?
Updated
How do I contact support for Relay Premium?
Updated
How do I copy and paste text on Android?
Updated
How do I create a project with multiple files?
Updated
How do I create a screenshot of my problem?
Updated
How do I delete a bookmark?
Updated
How do I delete my Mozilla account?
Updated
How do I embed a tutorial into my Thimble project?
Updated
How do I inspect and edit my first web page?
Updated
How do I install the Firefox Relay Extension on Firefox Desktop?
Updated
How do I install X-Ray Goggles?
Updated
How do I know the status of my sync?
Updated
How do I opt out of Mozilla Monitor?
Updated
How do I quit Firefox for Android?
Updated
How do I reply to a text message sent to my phone mask?
Updated
How do I report a broken site in Firefox desktop?
Updated
How do I report an issue with Firefox Relay?
Updated
How do I report a Thimble bug?
Updated
How do I request a refund for Firefox Relay Premium
Updated
How do I request a refund for MDN Plus?
Updated
How do I request a refund for Monitor Plus?
Updated
How do I request a refund for Mozilla VPN?
Updated
How do I reset Mozilla VPN?
Updated
How do I restore my Mozilla VPN Subscription on my mobile device?
Updated
How do I restore my tabs from last time?
Updated
How do I share a tab from Firefox for Android?
Updated
How do I share Firefox between people on a computer?
Updated
How do I share the badges I've earned?
Updated
How do I share things from Firefox for Android?
Updated
How do I submit a bug for Firefox Sync?
Updated
How do I tell if I have the 32-bit or 64-bit Firefox?
Updated
How do I tell if my connection to a website is secure?
Updated
How do I turn on Mozilla VPN?
Updated
How do I turn on the Do Not Track feature?
Updated
How do I uninstall Mozilla VPN?
Updated
How do I update Mozilla VPN?
Updated
How do I update my payment information for my MDN Plus subscription?
Updated
How do I update my payment information on Mozilla VPN?
Review Needed
How do I upgrade my subscription?
Updated
How do I use the Firefox spell checker?
Updated
How do I view synced tabs on Firefox for Android?
Updated
How do you use Adjust in Firefox?
Updated
How do you use Google Firebase in Firefox?
Updated
How do you use Leanplum in Firefox?
Updated
How file downloads are handled in Firefox version 98 and above
Updated
How Firefox securely saves passwords
Updated
How Firefox Sync keeps your data safe even if TLS fails
Updated
How is Facebook Container different from Multi-account Containers?
Updated
How is Firefox Enterprise different from normal Firefox?
Updated
How Pocket handles user data
Updated
How to add a shortcut to a website on Android
Updated
How to add devices to your Mozilla VPN subscription
Updated
How to add, remove, edit and move bookmarks in Firefox for iOS
Updated
How to add the translate add-on to Firefox
Updated
"How-to" article type best practices
Updated
How to automatically label your new email masks
Updated
How to cast YouTube videos on Firefox for Fire TV
Updated
How to change or reset your Pocket password
Updated
How to change the Thunderbird layout
Review Needed
How to clear the Firefox cache
Updated
How to configure Close Tab warnings in Firefox
Updated
How to create an account and sign in to Pocket
Updated
How to create and use mailing lists on Thunderbird
Review Needed
How to customize Firefox Suggest settings
Updated
How to Customize the New Mail Sound
Updated
How to Customize Toolbars
Updated
How to delete an email mask
Updated
How to delete my Firefox account via the Mozilla VPN app on Android and iOS?
Updated
How to disable or change the Thunderbird start page
Updated
How to disable the Enterprise Roots preference
Updated
How to download and install Mozilla VPN on Android
Updated
How to download and install Mozilla VPN on iOS
Review Needed
How to download and install Mozilla VPN on macOS
Updated
How to download and install Mozilla VPN on Windows
Updated
How to download Mozilla VPN on your desktop or mobile device
Review Needed
How to enable Always-on VPN on Android
Review Needed
How to enable/disable the Firefox Relay icon on online fields and websites
Updated
How to enable Windows SSO login in Firefox
Updated
How to find the Pocket app crash logs on iOS
Updated
How to fix an error when trying to open Telegram or Slack on Firefox
Updated
How to fix Pocket login issues
Updated
How to fix preferences that won't save
Updated
How to fix the Update Failed error message when updating Firefox
Updated
How to generate a secure password in Firefox
Updated
How to go back to Mozilla Monitor’s free version
Updated
How to Install and Use another Language in the Dictionary on Thunderbird
Updated
How to install Firefox for Echo Show
Updated
How to install Firefox on Windows
Updated
How to install Mozilla VPN on a Linux computer
Review Needed
How to let Firefox use the internet on your Windows computer
Updated
How to manage your camera and microphone permissions with Firefox
Updated
How to manually add accounts to the password manager in Firefox for iOS
Updated
How to move the search bar in Firefox for iOS
Updated
How to obtain the Mozilla VPN Logs
Updated
How to opt out of studies on Firefox Focus for Android
Updated
How to opt out of studies on Firefox Focus for iOS
Updated
How to opt out of studies on Firefox for Android
Updated
How to opt out of studies on Firefox Klar for iOS
Updated
How to pin and unpin Firefox from the taskbar on Windows 10 and Windows 11
Updated
How to print web pages in Firefox
Updated
How to remove the Babylon toolbar, home page and search engine
Updated
How to replace Google Assistant with a Firefox search
Updated
How to reset the default user agent on Firefox
Updated
How to reset your password without Account Recovery Keys and regain access to your data
Review Needed
How to restore a browsing session from backup
Updated
How to run Firefox when your profile is missing or inaccessible
Updated
How to save a web page
Updated
How to Save to Pocket - Overview
Updated
How to search IMDB, Wikipedia and more from the address bar
Updated
How to search the contents of the current page for text or links
Updated
How to send a crash report on Firefox for Android
Updated
How to set the home page
Updated
How to set up Firefox Sync in Firefox for Android
Updated
How to share URLs on Firefox for macOS
Updated
How to sign in to Mozilla VPN
Updated
How to sign up for Mozilla VPN
Updated
How to silently install/uninstall Firefox for Enterprise
Updated
How to stay safe on the web
Updated
How to stop Firefox from making automatic connections
Updated
How to Subscribe to News Feeds and Blogs
Updated
How to troubleshoot security error codes on secure websites
Updated
How to troubleshoot time related errors on secure websites
Updated
How to update add-ons
Updated
How to upgrade to Monitor Plus?
Review Needed
How to upgrade your MDN Plus subscription
Updated
How to Use Attachments
Updated
How to use a Virtual Card (vCard)
Updated
How to use collections on addons.mozilla.org
Updated
How to Use Find in Page for Firefox for Android
Updated
How to use Firefox containers
Updated
How to View and Manage Saved Articles in Pocket for iOS
Updated
HTML5 audio and video in Firefox
Updated
HTTPS-Only Mode in Firefox
Updated
HTTPS-Only Mode in Firefox Focus for Android
Updated
HTTPS-Only Mode in Firefox for Android
Updated
HTTPS-Only Mode in Firefox Klar for Android
Updated
Hyperlinks in Messages Not Working
Updated
I can't find Firefox Focus in Germany, Austria or Switzerland
Updated
I can’t play audio on a Remote Desktop Connection
Updated
I can't play videos or audio on Firefox for Android 5.0 (Lollipop)
Updated
I can't sign in to Mozilla VPN - What should I do?
Updated
I can't take screenshots of some websites on Firefox Lite
Updated
I can’t watch YouTube videos fullscreen on Firefox Lite
Updated
Identify noisy tabs in Firefox for Android
Updated
Identify problems caused by third-party modules in Firefox for Windows
Updated
I forgot my Mozilla account password and I can't sign in to Mozilla VPN
Updated
I forgot my password for Mozilla account and I can't sign in to Firefox Relay
Updated
I forgot my Password for Mozilla account and I can't sign in to MDN Plus
Review Needed
I found a fake Firefox update
Updated
Ignoring threads
Updated
IMAP Synchronization
Updated
I'm having problems confirming my Mozilla account
Updated
I'm having trouble logging into Pocket. Can you help?
Updated
I'm having trouble signing up for Pocket. Can you help?
Updated
Import bookmarks and other data from Google Chrome
Updated
Import Bookmarks and other data from Microsoft Edge
Updated
Import Bookmarks from an HTML file
Updated
Import data from another browser
Updated
Importing bookmarks to Firefox for Android
Updated
Importing Safari data into Firefox
Updated
Importing your links into Pocket
Updated
Import login and password data from a file
Updated
Import settings and data into Thunderbird
Review Needed
I never set a Pocket password. How can I create one?
Updated
Information for EU, EEA, Swiss, California, Connecticut, Virginia and Utah users
Review Needed
Insecure connection password warning in Firefox
Updated
Install an older version of Firefox
Updated
Install Firefox Lockwise on Android
Updated
Install Firefox Lockwise on iOS
Updated
Install Firefox on an Android device using Google Play
Updated
Install Firefox on Linux
Updated
Install Firefox on your iPad, iPhone or iPod
Updated
Install Firefox on your phone or tablet
Updated
Install Firefox Reality
Updated
Installing an Add-on in Thunderbird
Updated
Installing Pocket for Android and Kindle Fire via direct download
Updated
Installing the Pocket extension in your browser
Updated
Installing Thunderbird on Linux
Updated
Installing Thunderbird on Mac
Updated
Installing Thunderbird on Windows
Updated
Install system add-ons on Firefox for Enterprise
Updated
Install the Firefox Relay extension in Firefox for Android
Updated
Install the Firefox Relay extension on Google Chrome
Updated
Install themes to change the look of Thunderbird
Updated
Instant Messaging and Chat
Review Needed
Instructions for obtaining a personal S/MIME certificate by creating a CSR
Updated
Introducing Total Cookie Protection in Standard Mode
Updated
Introduction to End-to-end encryption in Thunderbird
Updated
Inviting Other People to Events
Updated
In what languages is Firefox Relay available in?
Updated
In which countries is Firefox Relay Premium available to subscribe?
Updated
In which countries is Mozilla VPN available to subscribe?
Updated
Is BadgeKit ready now?
Updated
Is Firefox available for iPhone or iPad in my language?
Updated
Is Mozilla VPN compatible with my device?
Updated
Is Mozilla VPN free?
Updated
Is there Open Badges research available?
Updated
I've lost my Firefox Sync account information - What to do
Updated
JavaScript settings and preferences for interactive web pages
Updated
Joining public WiFi while on Mozilla VPN
Updated
Keyboard Shortcuts for Searching
Updated
Keyboard shortcuts in Firefox for iOS
Updated
Keyboard shortcuts in Pocket for Web
Updated
Keyboard shortcuts - perform common Thunderbird tasks quickly
Updated
Legacy browser support extension for Windows
Updated
Lightbeam extension for Firefox is no longer supported
Updated
Lightning User Interface
Updated
Listening to articles in Pocket with Text-to-Speech
Updated
List of Pocket service vendors
Updated
Live Bookmarks - Subscribe to a web page for news and updates
Updated
Logging out of your Pocket account
Review Needed
Login has been disabled for my account
Updated
Maildir in Thunderbird
Updated
Make Firefox for Enterprise the Default Browser
Updated
Make Firefox the default browser on Android
Updated
Make Firefox your default browser
Updated
Make Firefox your default browser on Windows
Updated
Make Thunderbird the Default Mail Client
Review Needed
Manage bookmark folders in Firefox for Android
Updated
Manage extension shortcuts in Firefox
Updated
Manage file types and download actions in Firefox
Updated
Manage local site storage settings
Updated
Manage my default search engines in Firefox for Android
Review Needed
Manage notifications in Firefox for Android
Updated
Manage optional permissions for Firefox extensions
Updated
Manage optional permissions for Firefox extensions on Android
Updated
Manage saved passwords in Firefox for Android
Updated
Manage saved passwords in Firefox for iOS
Updated
Manage tabs in Firefox for Android
Updated
Manage the devices linked to your Mozilla account
Updated
Manage your extensions using the extensions button in the toolbar
Updated
Manage your logins with the Firefox Password Manager
Updated
Manage your Mozilla account newsletter and email preferences
Updated
Managing Account Data
Updated
Managing Firefox Updates
Updated
Managing Firefox with Microsoft Endpoint Manager (Intune)
Review Needed
Managing policies on Linux desktops
Updated
Managing policies on macOS desktops
Updated
Managing Thunderbird Updates
Updated
Manual Account Configuration
Updated
Mask your phone number with Relay Phone Masking
Updated
MDN - Managing account data
Updated
Message List Columns
Updated
Message Tags - Categorize your email in Thunderbird
Updated
Message threading in Thunderbird - keep messages grouped by conversation
Review Needed
Microsoft OAuth Authentication and Thunderbird in 2024
Updated
Mixed content blocking in Firefox
Updated
Mobile Accessibility Features
Updated
Mobile Support tagging guidelines
Updated
Moderator - Managing account data
Updated
Monthly Monitor Report Email
Updated
Move the navigation bar to the top or bottom of the app in Firefox for Android
Updated
Moving Thunderbird Data to a New Computer
Review Needed
Mozilla account - Managing account data
Updated
Mozilla account on support.mozilla.org
Review Needed
Mozilla Crash Reporter
Updated
Mozilla Crash Reporter TB
Review Needed
Mozilla Monitor - Frequently asked questions
Review Needed
Mozilla People Directory - Managing account data
Updated
Mozilla Social FAQ
Updated
Mozilla Voice Server Proxy Retiring
Updated
Mozilla VPN - FAQ
Updated
Mozilla VPN message center
Updated
Mozilla VPN won’t connect or keeps disconnecting - How to fix
Review Needed
Multi-Account Containers
Updated
Multi-Hop - Encrypt your data twice for enhanced security while using Mozilla VPN
Updated
Mute sound in Firefox tabs
Updated
My default search engine changed after updating Firefox
Updated
My privacy settings were changed from Custom to Standard
Updated
Names but no Email Addresses are Displayed
Updated
Navigation bar in Firefox for iOS
Updated
New Email Address
Review Needed
New in Thunderbird 102
Updated
New Tab page in Firefox
Updated
Night Mode in Firefox for iOS
Updated
Open and switch between multiple websites (multi-tab)
Updated
Open a new private tab in Firefox Focus for Android
Updated
Open a new private tab in Firefox Klar
Updated
Open Badges Calls
Updated
Open Firefox automatically when you start your computer
Updated
Open PDFs in Firefox for Android
Updated
OpenPGP in Thunderbird - HOWTO and FAQ
Updated
OpenPGP keys might be authentic or counterfeit
Review Needed
OpenPGP Recipient Alias Configuration
Updated
Open Search
Updated
Organize Your Messages by Using Filters
Updated
Password Manager - Remember, delete and change passwords in Thunderbird
Updated
Password Manager - Remember, delete and edit logins and passwords in Firefox
Review Needed
Perform price comparisons in Firefox Lite
Updated
Permission request messages for Firefox extensions
Updated
Permission request messages for Thunderbird extensions
Updated
Personalized extension recommendations
Updated
Personalize Firefox with colorways
Updated
Pinned Tabs - keep favorite websites open and just a click away
Updated
Placeholder article 091802
Updated
Playing 4K (Ultra-High Definition) YouTube videos in Firefox
Updated
Playing videos in Firefox for Android
Updated
Play videos full screen on Firefox for Android
Updated
Pocket Developer FAQ
Updated
Pocket for Firefox FAQ
Updated
Pocket for iOS App privacy information
Updated
Pocket for Mac no longer available - FAQ
Updated
Pocket for publishers FAQ
Updated
Pocket Hits FAQ
Updated
Pocket Premium FAQ
Updated
Pocket Premium Full-Text Search
Review Needed
Pocket Premium - Manage billing and subscription preferences
Updated
Pocket Premium Permanent Library
Updated
Pocket Premium Suggested Tags
Updated
Pocket recommendations in the Firefox New Tab page - FAQ
Updated
Pocket security overview
Updated
Pocket sponsored stories on new tabs
Updated
Pocket's top feature requests
Updated
Pocket system requirements
Updated
Pocket transition to Mozilla accounts
Updated
Pocket website cookies FAQ
Updated
Pontoon - Managing account data
Updated
Prerequisite for sending an encrypted email message
Review Needed
Primary Password is replacing Master Password
Updated
Primary Password is replacing Master Password in Thunderbird
Updated
Print simplified, clutter-free pages in Firefox
Updated
Privacy panel - Remote content and cookie settings in Thunderbird
Review Needed
Privacy-Preserving Attribution
Updated
Privacy settings in Firefox for Enterprise
Updated
Private Browsing in Firefox for iOS
Updated
Private Browsing in Firefox Lite
Updated
Private Browsing on Firefox for Android
Updated
Private Browsing - Use Firefox without saving history
Updated
Private Mode in Firefox Reality
Updated
Problems with email and how to find help
Updated
Profile Manager - Create and remove Thunderbird profiles
Updated
Profiles - Where Firefox stores your bookmarks, passwords and other user data
Updated
Profiles - Where Thunderbird stores your messages and other user data
Updated
Profiling Thunderbird Performance
Review Needed
Protecting Privacy while using Web Authentication
Updated
Protect your container tabs with Mozilla VPN
Updated
Protect your Thunderbird passwords with a Primary Password
Review Needed
Quick actions in the Firefox search bar
Updated
Quick Filter Toolbar
Updated
Quick fixes if your Firefox slows down
Updated
Quickly access previously generated masks
Updated
Rate your Firefox experience, surveys and out of date messages (Heartbeat)
Updated
Reading in Pocket on your computer
Review Needed
Rebuilding the Global Database
Updated
Receive notifications in MDN Plus
Updated
Receive only important emails sent through your masks with Firefox Relay Premium
Updated
Receive tabs on Firefox for Fire TV
Updated
Recommendations from Firefox
Updated
Recommended Extensions program
Updated
Recommended Firefox extensions for families and students
Updated
Recommended Firefox privacy and security settings for families
Updated
Recovering important data from an old profile
Updated
Recover lost or missing Bookmarks
Updated
Recover user data missing after Firefox update
Updated
Re-enable add-ons that were disabled when updating Firefox
Updated
Re-enable multi-process support disabled by Windows utilities
Updated
Refresh Firefox - reset add-ons and settings
Updated
Register your own domain with Firefox Relay Premium
Updated
Relay Phone Masking FAQ
Updated
Relay Phone Masking - How long can I talk when I get a call?
Updated
Remote Content in Messages
Review Needed
Remove a search engine in Firefox Focus for Android
Updated
Remove a search engine in Firefox Focus for iOS
Updated
Remove a search engine in Firefox Klar for Android
Updated
Remove a search engine in Firefox Klar for iOS
Updated
Remove a synced device from your Mozilla account
Updated
Remove a toolbar that has taken over your Firefox search or home page
Updated
Remove the Other Bookmarks folder from the Bookmarks Toolbar
Updated
Remove tiles from the Firefox for Echo Show home screen
Updated
Remove websites from the address bar suggestions
Updated
Reorder tabs from tab view
Updated
Repackaging the Windows Installer
Updated
Reply to forwarded emails with Firefox Relay Premium
Updated
Reporting extensions and themes for abuse
Updated
Report Site Issues on Firefox for iOS
Updated
Reset Firefox preferences to troubleshoot and fix problems
Updated
Reset your Mozilla account password with Recovery Keys
Updated
Reset your Primary Password if you've forgotten it
Updated
Resize the Firefox Reality window to full screen or focus view
Updated
Resolve breaches with Mozilla Monitor
Updated
Restore bookmarks from backup or move them to another computer
Updated
Restore previous session - Configure when Firefox shows your most recent tabs and windows
Updated
Restore the default Smart Bookmarks Folders
Updated
Restore the Menu bar in Firefox
Updated
Retrieving a Pocket Crash Log on Android
Updated
Return to your Firefox for Fire TV home screen
Updated
Review installed extensions
Updated
Run Firefox on ChromeOS
Updated
Safari Integration in Firefox iOS
Review Needed
Safe browsing in Firefox Focus
Updated
Safe browsing in Firefox Klar
Updated
Save to (or bookmark) and remove links from your home screen
Updated
Save to Pocket from your clipboard
Updated
Save web pages as PDF in Firefox for Android
Updated
Save web pages as PDFs in Firefox for iOS
Updated
Save web pages for later with Pocket for Firefox
Updated
Saving from subscription-based sites
Updated
Saving to Pocket from Apple News
Updated
Saving to Pocket manually
Updated
Saving to Pocket on Android
Updated
Saving to Pocket on iOS
Updated
Scan QR codes in Firefox for Android
Updated
Scan QR codes in Firefox for iOS
Updated
Screenshot categories in Firefox Lite
Updated
Search Firefox instantly on your Android home screen
Updated
Searching for tags with Pocket Premium
Updated
Searching in Pocket for Android
Updated
Searching in Pocket on your computer
Updated
Searching with Firefox for Android
Updated
Search open tabs in Firefox
Updated
Search suggestions in Firefox
Updated
Search suggestions in Firefox Focus for Android
Updated
Search suggestions in Firefox Focus for iOS
Updated
Search suggestions in Firefox Klar for Android
Updated
Search suggestions in Firefox Klar for iOS
Updated
Search within a web page in Firefox for iOS
Updated
Search with the Firefox address bar
Updated
Search your browsing history and bookmarks in Firefox for Android
Updated
Search your browsing history in Firefox for iOS
Updated
Secure connection failed and Firefox did not connect
Updated
Secure Firefox passwords with device sign-in
Updated
Secure website certificate
Updated
Secure your Mozilla account with two-step authentication
Updated
Security panel - Junk, scam, antivirus, and password settings in Thunderbird
Updated
See active policies on Firefox for Enterprise
Updated
Send a tab from Firefox for iOS to another device
Updated
Send files to anyone securely with Firefox Send
Updated
Sending and Receiving Messages on Thunderbird
Updated
Send Tab from another mobile app to Firefox
Updated
Send Tab from Firefox desktop to other devices
Updated
Send text or multimedia messages from Firefox for Android
Updated
Send usage data on Firefox mobile browsers
Updated
Server Not Found - Troubleshoot connection problems
Updated
Set a homepage in Firefox for iOS
Updated
Set Firefox as the default browser for iOS
Updated
Set Firefox as your default browser from the notification panel on Android
Updated
Set Firefox as your default browser on Lockwise for iOS
Updated
Set Firefox Focus as default browser on Android
Updated
Set Firefox Focus as the default browser for iOS
Updated
Set Firefox for Android to open links in native apps
Updated
Set Firefox Klar as the default browser for iOS
Updated
Set Firefox Klar as your default browser on Android
Updated
Set Firefox Lite as your default browser
Updated
Setting Firefox as the default browser does not work - What to do
Updated
Setting Up Certificate Authorities (CAs) in Firefox
Updated
Setting Up Roaming Users Profiles
Updated
Set up a passcode and Face ID in Firefox for iOS
Updated
Setup your email account for using End-To-End Encryption
Updated
Share browser windows or your screen with sites you trust
Updated
Share data with Mozilla to help improve Firefox
Updated
Share pages with Firefox from other browsers
Updated
Share your Android device with a Firefox Guest Session
Updated
Sharing from Pocket for Android
Updated
Sharing from Pocket for iOS
Updated
Sharing from Pocket on your computer
Updated
Signatures
Updated
Sign in to a Mozilla account using 3rd-party authentication
Updated
Sign in to Pocket with your Mozilla account
Updated
Sign in to your Mozilla account on Fire TV
Updated
Sign up for Pocket with your Mozilla account
Updated
Site Information panel
Updated
Site Permission Add-ons
Updated
Site Permissions panel
Updated
Solutions for "Can not create temp folder archive" error when installing Firefox (Windows 10)
Updated
Some videos won't play in background
Updated
Sort your bookmarks to quickly find the ones you want
Updated
Splash Accounts - Managing Account Data
Updated
Sponsored shortcuts on the New Tab page
Updated
Subscribe to Firefox Relay Premium
Updated
SUMO - Managing account data
Updated
Supported Platforms and System Requirements
Updated
Surf and watch videos on Firefox for Fire TV
Updated
Suspicious activity on my Mozilla account
Updated
Switch from POP to IMAP account
Updated
Switching from Chrome to Firefox
Updated
Switching the folder pane view
Updated
Switching to Thunderbird
Updated
Switch to another language on Firefox Reality
Updated
Switch to desktop view on Firefox Focus for Android
Updated
Sync bookmarks, logins and browsing history on Firefox for iOS
Updated
Sync bookmarks, tabs, history and passwords on Android
Updated
Sync custom preferences
Updated
Sync Firefox data
Updated
Sync logins in Firefox desktop
Updated
Sync logins in Firefox for iOS
Updated
Tab context menu
Review Needed
Tables - Format messages with rows and columns
Updated
Tab preferences and settings
Updated
Tagging in Pocket for Android
Review Needed
Tagging in Pocket for iOS
Updated
Tagging in Pocket on your computer
Updated
Task Manager - see whether tabs or extensions are slowing down Firefox
Updated
Telemetry collection and deletion
Updated
Telemetry collection- Windows default browser trends
Updated
Test versions of Firefox for your organization
Updated
Text Encoding no longer available in the Firefox menu panel
Updated
The difference between IMAP and POP3
Updated
The language of the websites I visit changes when I turn Mozilla VPN on - What to do
Review Needed
The Pocket Glossary
Updated
The thumbnails on the New Tab page are missing - how to get them back
Updated
Third-party cookies and Firefox tracking protection
Updated
Third-party trackers
Updated
Through the Looking Glass
Updated
Thunderbird 115 Supernova FAQ
Updated
Thunderbird 78 FAQ
Updated
Thunderbird Accessibility Features
Updated
Thunderbird add-ons - frequently asked questions
Updated
Thunderbird and AT&T
Updated
Thunderbird and Comcast
Updated
Thunderbird and Gmail
Updated
Thunderbird and Hotmail
Review Needed
Thunderbird and Logjam
Updated
Thunderbird and OpenPGP Alias Keys
Updated
Thunderbird and Sympatico
Updated
Thunderbird Beta
Review Needed
Thunderbird Crashes
Updated
Thunderbird end of Support for XP and Vista
Updated
Thunderbird FAQ
Updated
Thunderbird makes unrequested connections
Review Needed
Thunderbird Matrix Chat FAQ
Updated
Thunderbird Software Update Failed
Updated
Thunderbird’s Scam Detection
Updated
Thunderbird support has ended for Mac OS X 10.6, 10.7 and 10.8
Updated
Tips for assessing the safety of an extension
Updated
Total Cookie Protection and website breakage FAQ
Updated
Trackers and scripts Firefox blocks in Enhanced Tracking Protection
Updated
Tracking Protection on Firefox Focus for iOS
Updated
Tracking Protection on Firefox Klar for iOS
Updated
Transfer information from the old to new Firefox for Android (Nightly or Beta)
Updated
Travel deals and guides in Firefox Lite
Updated
Trouble activating or restoring your Pocket Premium subscription
Updated
Troubleshoot and diagnose Firefox problems
Updated
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems
Updated
Troubleshoot Firefox crashes (closing or quitting unexpectedly)
Updated
Troubleshoot Firefox issues caused by malware
Updated
"Troubleshooting" article type best practices
Updated
Troubleshooting Save Button issues with Pocket Chrome extension
Updated
Troubleshooting speed issues on Mozilla VPN
Review Needed
Troubleshoot issues related to add-ons
Updated
Troubleshoot Mode Thunderbird
Review Needed
Turn off ads on MDN Plus
Updated
Turn on/off saved logins, login sync and login autofill in Firefox for Android
Review Needed
Turn picture-in-picture mode controls on and off
Updated
Turn push notifications on or off in Firefox for iOS
Updated
Turn search suggestions on or off on Firefox for iOS
Updated
Turn Turbo Mode off or on on Firefox for Fire TV
Updated
Unable to download files in Windows 10 when Parental Controls are on
Updated
Unable to install add-ons (extensions or themes)
Updated
Unable to install add-ons (extensions or themes) in Thunderbird
Updated
Unable to uninstall add-ons (extensions or themes)
Updated
Unable to use profile when you launch an older version of Thunderbird
Review Needed
Understand Encrypted Client Hello (ECH)
Updated
Understanding in depth the profile per installation feature
Updated
Understanding the risks of installing self-hosted extensions
Updated
Unified Toolbar
Updated
Unify your POP email accounts with a global inbox
Updated
Uninstall Firefox for Android
Updated
Uninstall Firefox for Android extensions
Updated
Uninstall Firefox for iOS
Updated
Uninstall Thunderbird from your computer
Updated
Unlink your Google or Apple ID from your Mozilla account
Updated
Unload inactive tabs to save system memory in Firefox
Updated
Unsafe properties of OpenPGP keys might be ignored
Updated
Unsubscribing From Pocket's emails
Updated
Update to the latest version of Firefox for Android
Updated
Updating processor microcode
Updated
Updating Thunderbird
Updated
Upgrade your graphics drivers to use hardware acceleration and WebGL
Updated
Upgrading from an older version of Thunderbird
Updated
Usage Data Changes for Firefox for iOS and Android
Updated
Use a Primary Password to protect stored logins and passwords
Updated
Use bookmark folders to organize your bookmarks
Updated
Use Face ID or Touch ID on Firefox Klar
Updated
Use Firefox in another language
Updated
Use Firefox in Full Screen mode
Updated
Use gestures in Firefox for Android
Updated
Use Google Trending Search in the Firefox address bar
Updated
Use labels to keep your masks organized in Firefox Relay
Review Needed
Use MDN offline with your MDN Plus subscription
Updated
Use mouse shortcuts to perform common tasks in Firefox
Updated
Use Multi-Account Containers with Mozilla VPN
Updated
userChrome.css and .js and userContent are unsupported
Updated
Usernames and passwords are not saved
Updated
Use tabs in Firefox for iOS
Updated
Use tabs to organize lots of websites in a single window
Updated
Use the Eyedropper tool in Firefox to sample colors
Updated
Use the Firefox Sidebar to access bookmarks, history and synced tabs
Updated
Use the in-browser print function on Firefox for Android
Updated
Use themes to change the look of Firefox
Updated
Use the Troubleshooting Information page to help fix Firefox issues
Updated
Use voice commands with Firefox for Echo Show
Updated
Use Web Apps with Firefox for Android
Updated
Using a Primary Password with Sync
Updated
Using Dark Theme in Firefox for Android
Updated
Using Dark Theme in Firefox for iOS
Updated
Using Identities
Updated
Using Lightning with Google Calendar
Review Needed
Using Multiple Profiles
Review Needed
Using OpenPGP secret keys that advertise features that are not supported by Thunderbird
Updated
Using Pocket offline
Updated
Using Pocket on Kindle devices
Updated
Using Reading Time Estimates and Viewed Item Status in Pocket for Android
Updated
Using Saved Searches
Updated
Using the Pocket Must Reads extension in Google Chrome
Updated
Using the Save to Pocket extension for Google Chrome
Updated
Using the Save to Pocket extension for Safari
Updated
Using the Save to Pocket extension in Brave, Opera and Vivaldi
Updated
Using the Save to Pocket extension in Microsoft Edge
Updated
Using voice commands in Firefox for Amazon Fire TV
Updated
Using Voice Search in Firefox Reality
Updated
Vacation Response
Updated
Verifying a Mozilla Thunderbird installation package
Updated
Videos don't have sound on Citrix
Updated
View articles in Reader View on Firefox for Android
Updated
View articles recommended by Pocket on your Firefox for Android homepage
Updated
View articles recommended by Pocket on your Firefox for iOS homepage
Updated
View articles recommended by Pocket on your Firefox New Tab and homepage
Updated
View bookmarks and recent searches on your home screen
Review Needed
Viewing and editing Your Pocket profile
Updated
Viewing Desktop Sites on Firefox iOS
Updated
Viewing your Saved Items in Pocket for Android
Updated
View mobile bookmarks on your computer
Updated
View PDF files in Firefox or choose another viewer
Updated
View recently saved bookmarks from your homepage on Firefox for iOS
Updated
View recent tabs on your Firefox for Android homepage
Updated
View recent tabs on your Firefox for iOS homepage
Updated
View synced tabs from other devices
Updated
View Virtual Reality with Firefox WebVR
Updated
View web pages in Reader View
Updated
Voice input in Firefox for Android
Updated
Warning Unresponsive script - What it means and how to fix it
Updated
Watch DRM content on Firefox
Updated
Web pages aren't displaying properly in Firefox for Android
Updated
Web Push notifications in Firefox
Updated
Websites look wrong or appear differently than they should
Updated
Websites say cookies are blocked - Unblock them
Updated
Websites show a spinning wheel and never finish loading
Updated
Website will not allow Firefox to display the page if another site has embedded it
Updated
Well known sources for downloading the Thunderbird email software
Updated
What are email trackers and how can I block them with Firefox Relay?
Updated
What can be saved to Pocket?
Updated
What do the security warning codes mean?
Updated
What do the SSLv3 error messages mean on Firefox?
Updated
What features are included in Pocket Premium?
Updated
What happened to Firefox Send?
Updated
What happened to my Live Bookmarks?
Updated
What if I'm locked out of Two-Step Authentication?
Updated
What information does Mozilla VPN collect?
Updated
What is a badge?
Updated
What is a Mozilla Backpack?
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What is Article View?
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What is BadgeKit?
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What is Firefox Focus for Android?
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What is Firefox Focus for iOS?
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What is Firefox Klar for Android?
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What is Firefox Klar for iOS?
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What is included in BadgeKit?
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What is Mozilla BadgeKit?
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What is Mozilla Connect?
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What is Mozilla's Open Badges project?
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What is Mozilla VPN and how does it work?
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What is my Pocket email address?
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What is Pocket?
Review Needed
What is search hijacking?
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What is the Accessibility Service Indicator?
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What is the Archive?
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What is the Mozilla Maintenance Service?
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What is the Mozilla VPN kill switch?
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What is the Open Badges Infrastructure?
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What is the winmail.dat attachment?
Review Needed
What is Thimble?
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What is X-Ray Goggles?
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What languages is Mozilla VPN available in?
Review Needed
What permissions does Pocket for Android require and why?
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What should I do if I'm redirected to the Firefox Relay FAQ when clicking a link within an email?
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What's New in Firefox Focus for iOS
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What's new in Firefox for iOS (version 100)
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What's new in Firefox for iOS (version 101)
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What's new in Firefox for iOS (version 102)
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What's new in Firefox for iOS (version 103)
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What's new in Firefox for iOS (version 104)
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What's new in Firefox for iOS (version 105)
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What's new in Firefox for iOS (version 106)
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What's new in Firefox for iOS (version 107)
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What's new in Firefox for iOS (version 108)
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What's new in Firefox for iOS (version 109)
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What's new in Firefox for iOS (version 111)
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What's new in Firefox for iOS (version 34)
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What's new in Firefox for iOS (version 35)
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What's new in Firefox for iOS (version 36)
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What's new in Firefox for iOS (version 37)
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What's new in Firefox for iOS (version 38)
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What's new in Firefox for iOS (version 39)
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What's new in Firefox for iOS (version 40)
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What's new in Firefox for iOS (version 96)
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What's new in Firefox for iOS (version 97)
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What's new in Firefox for iOS (version 98)
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What's new in Firefox for iOS (version 99)
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What's new in Firefox Klar for Android
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What's New in Firefox Klar for iOS
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What's new in Firefox Klar for iOS (version 103)
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What's new in Firefox Klar for iOS (version 104)
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What's new in Firefox Klar for iOS (version 105)
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What's new in Firefox Klar for iOS (version 106)
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What's new in Firefox Klar for iOS (version 107)
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What's New in Firefox Klar for iOS (version 39)
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What's new in Firefox Klar for iOS (version 40)
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What's new in Firefox Klar for iOS (version 97)
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What's new in Firefox Klar for iOS (version 98)
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What's new in Firefox Klar for iOS (version 99)
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What's new in Firefox Lite (version 2.5)
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What's new in the August 31, 2015 release?
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What's the difference between MDN and MDN Plus?
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What to do after a data breach
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What to do after you have subscribed to Mozilla VPN
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What to do if Firefox won't play any sounds
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What to do if you can't download or save files
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What to do when searches take you to the wrong search website
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Where are my logins stored?
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Where are my synced tabs in Firefox for iOS?
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Where can I earn badges?
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Where can I find a list of policies for Firefox for Enterprise?
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Where can I find community research on Open Badges?
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Where can I find my saved items?
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Where can I get help with the MDN API and documentation?
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Where can I go for Open Badges support?
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Where can I go for technical help?
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Where can I view my MDN Plus subscription information?
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Where is technical documentation for BadgeKit?
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Where to find and manage downloaded files in Firefox
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Where to find release notes for Firefox for Enterprise
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Where to go for developer support
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Which version of Firefox am I using?
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Who else is issuing Open Badges?
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Who is BadgeKit for?
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Why aren’t my add-ons working on some websites?
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Why are some add-ons not allowed on sites restricted by Mozilla?
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Why can’t I use Firefox sync with my Google or Apple ID?
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Why did we create Mozilla BadgeKit?
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Why do I get a harmful download message when downloading Firefox on Windows?
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Why do I get an error when I try to upgrade my subscription?
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Why do I see a message asking if I want to see the page hosted on HTTPS?
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Why do I see a white screen after updating Mozilla VPN to version 2.8.3?
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Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work?
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Why is each open Firefox tab showing up in the Windows volume mixer?
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Why is there an OpenH264 plugin in Firefox?
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Why Open Badges?
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Will Firefox version 100 work on Windows 7?
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Will policies I set work if users already installed Firefox?
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Windows in S mode won't let me install Firefox
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Workaround to make Estonian Smartcards work in Firefox 76+
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Working with events
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Wrong home page opens when I start Firefox - How to fix
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X-Mouse Button Control in Firefox 110
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Your hardware is no longer supported by Thunderbird
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Zoom in and out of websites on Firefox for Android
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