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.

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

bad extension of the attachment

  • 4 پاسخ
  • 1 has this problem
  • 1 view
  • آخرین پاسخ توسّط ryszard.rydzak

more options

Hello, When downloading a CSV file, the browser renames the file and saves it as a file with no extension as you want to change it What is the reason for this?

Hello, When downloading a CSV file, the browser renames the file and saves it as a file with no extension as you want to change it What is the reason for this?
Attached screenshots

All Replies (4)

more options

Looks like a server issue.

more options

I checked how Chrome will behave and Chrome is downloading correctly

more options

Chrome doesn't rely on mime file types, so it will download anything, no matter what it is.

Is this a public server? Can we test it?

more options

Unfortunately, it is an internal server with no external access.