Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

While downloading XLS is converting as PDF

  • 1 reply
  • 1 has this problem
  • 1 view
  • Last reply by TyDraniu

Varun K
Varun K
more options

While downloading XLS file from some webpage, it is converting as PDF ( File extension is changing from XLS to PDF) , Same is downloading properly in other browsers

While downloading XLS file from some webpage, it is converting as PDF ( File extension is changing from XLS to PDF) , Same is downloading properly in other browsers

All Replies (1)

TyDraniu
TyDraniu
  • Top 25 Contributor
more options

Being an that website open the developer tools (ctrl + shift + i) and switch to the Network tab. Then try to download a file. There should a new entry on a list show up. Check the Type column of that entry.