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!

Om de ûnderfining foar jo te ferbetterjen is tydlik de funksjonaliteit dan dizze website troch ûnderhâldswurk beheind. Wannear in artikel jo probleem net oplost en jo in fraach stelle wolle, kin ús stipemienskip jo helpe yn @FirefoxSupport op Twitter en /r/firefox op Reddit.

Sykje yn Support

Mij stipescams. Wy sille jo nea freegje in telefoannûmer te beljen, der in sms nei ta te stjoeren of persoanlike gegevens te dielen. Meld fertochte aktiviteit mei de opsje ‘Misbrûk melde’.

Mear ynfo

Dizze konversaasje is argivearre. Stel in nije fraach as jo help nedich hawwe.

Wrong Download File Type

  • 2 antwurd
  • 1 hat dit probleem
  • 1 werjefte
  • Lêste antwurd fan cor-el

more options

When I try to open a file from a particular site, a .csv file, Firefox seems to think it's a txt file, as seen in the attached image. When I save the file it downloads fine as a .csv, as it should. Why is it that this .csv is seen as a .txt only when selecting "open" but not "save" and how can I fix this? Thank you.

When I try to open a file from a particular site, a .csv file, Firefox seems to think it's a txt file, as seen in the attached image. When I save the file it downloads fine as a .csv, as it should. Why is it that this .csv is seen as a .txt only when selecting "open" but not "save" and how can I fix this? Thank you.
Keppele skermôfbyldingen

Alle antwurden (2)

more options

What's your computer system and Firefox version?

This might be a system issue. Open the computer's file browser and locate that file. Right-click on it and select Properties.

Select General. What does it say to the right of Opens With ?

more options

This usually happens if the server isn't configured properly and sends the file as a text file.

You can check the HTTP response headers in the Web Console or in the Browser Console.