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FireFox 96.0.3 - HTML download link forced to open as text file

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  • 1 has this problem
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  • Last reply by cor-el

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Issue Description: My support ticket holder is running FireFox 96.0.3 and has to process records from the state, these records are available through links similar to this (not publicly accessible):

https://powerschool.tulsaschools.org/admin/reportqueue/prreport.html?jobQueueCurrentId=<id>&repName=<filename>&repType=html

When the dialog box offers to open / save the file the open option lists the file as a text file (ignoring the type tag above) and offers to open the file in the system's default text editor.

Choosing the save option downloads the file and saves it as a .html file... loading the downloaded file has the expected result of displaying the Web page as intended.

Other browsers (Chrome, Edge) load both files as HTML as expected. Steps taken: Cache and Cookies have been cleared, FireFox has been refreshed, and I closed and re-opened FireFox.

How can I recover the ability to display this HTML file as a webpage through the open option and not as source (text)? Resources: File saved in the temp folder & opening as source: FireFoxReport-Open.png Expected result (and result in other browsers: FireFoxReportOpen-Expected.png - Being edited for privacy

'''Issue Description: ''' My support ticket holder is running FireFox 96.0.3 and has to process records from the state, these records are available through links similar to this (not publicly accessible): https://powerschool.tulsaschools.org/admin/reportqueue/prreport.html?jobQueueCurrentId=<id>&repName=<filename>&repType='''html''' When the dialog box offers to open / save the file the open option lists the file as a text file (ignoring the type tag above) and offers to open the file in the system's default text editor. Choosing the save option downloads the file and saves it as a .html file... loading the downloaded file has the expected result of displaying the Web page as intended. Other browsers (Chrome, Edge) load both files as HTML as expected. '''Steps taken:''' Cache and Cookies have been cleared, FireFox has been refreshed, and I closed and re-opened FireFox. How can I recover the ability to display this HTML file as a webpage through the open option and not as source (text)? '''Resources:''' File saved in the temp folder & opening as source: FireFoxReport-Open.png Expected result (and result in other browsers: FireFoxReportOpen-Expected.png - Being edited for privacy
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Modified by beaslmi

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  • Snip* (found the edit link)

Modified by beaslmi

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This might be about of how the server sends this file to Firefox. You can check the HTTP response headers in the Network Monitor.


You can try to set browser.download.sanitize_non_media_extensions = false on the about:config page to see if that makes Firefox show the correct file extension when you save the file.

You can open the about:config page via the location/address bar. You can click the button to "Accept the Risk and Continue".