Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Can't open pdf within Firefox anymore? What changed? Used to work fine

  • 4 பதிலளிப்புகள்
  • 2 இந்த பிரச்னைகள் உள்ளது
  • 42 views
  • Last reply by bytes_4friend

On my bank website tried to open pdf statement and doesn't open. Also tried to open link to a pdf from a websearch and won't open. This used to work fine in Firefox. What's changed?

On my bank website tried to open pdf statement and doesn't open. Also tried to open link to a pdf from a websearch and won't open. This used to work fine in Firefox. What's changed?

தீர்வு தேர்ந்தெடுக்கப்பட்டது

Thanks. I don't have a "Preview in Firefox" option, but while there I changed the setting to open pdfs using Acrobat Reader which fixed the issue. Appreciate the quick reply.

Best. H

Read this answer in context 👍 0

All Replies (4)

Hi hdse, does Firefox give an error message, or just nothing happens?

Could you check your setting for PDFs and see whether it is set to "Preview in Firefox" to view PDFs in a tab: View PDF files in Firefox or choose another viewer.

If you do not have a "Preview in Firefox" option, or it doesn't help, try "Always ask" so you get a choice of whether to Open using your external reader or Save.

Any difference?


Do you have any add-ons that block popups? Some sites may launch PDFs into a popup window and overly aggressive popup blockers could be a problem in that case.

தீர்வு தேர்ந்தெடுக்கப்பட்டது

Thanks. I don't have a "Preview in Firefox" option, but while there I changed the setting to open pdfs using Acrobat Reader which fixed the issue. Appreciate the quick reply.

Best. H

Still strange that it worked fine until today.

I had this issue and this fixed it for me. Goto Preferences/General/Applications

Scroll through the list to find PDF and make sure the option right of it is set to "Preview in FIrefox". I'm using a Mac but being tis is a FireFox interface it should be similar on Windows