Install and manage add-ons

Filelink for Large Attachments

Messages with large attachments are often rejected by mail servers. Thunderbird can use web-based storage services to send large file attachments.

Thunderbird Thunderbird Last updated: 12/03/2023

Open Search

Instantly take part of a message and search for it in Bing, Yahoo, Twitter or other websites.

Thunderbird Thunderbird Last updated: 11/18/2018

How to Customize Toolbars

This article explains how to customize the position and contents of Thunderbird toolbars.

Thunderbird Thunderbird Last updated: 07/11/2023

Add Search Engine to Open Search

Open Search enables Thunderbird users to search various websites from within Thunderbird. This article describes how to add additional websites to the Open Search interface.

Thunderbird Thunderbird Last updated: 11/25/2018

Installing an Add-on in Thunderbird

Add-ons add functionality to Thunderbird or change its appearance. Learn how to install add-ons to Thunderbird.

Thunderbird Thunderbird Last updated: 12/17/2023

Install themes to change the look of Thunderbird

A theme is a type of add-on which changes the visual appearance of Thunderbird. Learn how to find, install, and manage themes within Thunderbird.

Thunderbird Thunderbird Last updated: 1 week, 1 day ago

Unified Toolbar

Intro to the Unified Toolbar and how to customize the buttons for the different toolbars for: Mail, Address Book, Calendar, Tasks, Chat and Settings "Spaces."

Thunderbird Thunderbird Last updated: 06/12/2024
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