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

how to use deafult pdf viewer ? when i give windows in my pc pdf file open in firefox deafultly but suddenly its not working how to fix this ?

  • 1 reply
  • 2 have this problem
  • 8 views
  • Last reply by guigs

more options

please tell me how to use default pdf reader in firefox ? when i give windows in my pc pdf file open in firefox deafultly but suddenly its not working how to fix this ? pdf not open when i give ok with preview in firefox its not open its offer again same message

please tell me how to use default pdf reader in firefox ? when i give windows in my pc pdf file open in firefox deafultly but suddenly its not working how to fix this ? pdf not open when i give ok with preview in firefox its not open its offer again same message

All Replies (1)

more options

In order to change the default pdf reader please see: View PDF files in Firefox or choose another viewer

In order to change the file association: Applications panel - Set how Firefox handles different types of files