Once I save a default action for a MIME type, can the confirmation dialog be disabled?
We're using Nextcloud for files. Setting the default action in Firefox like Word, Excel, etc files there is always a confirmation dialog even though "Do this automatically for files like this from now on" is checked. Can the dialog be disabled and Firefox simply open the requested file?
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"Do this automatically for files like this from now on" only works for files sedn with a valid MIME type.
- http://kb.mozillazine.org/File_types_and_download_actions
- https://support.mozilla.org/en-US/kb/change-firefox-behavior-when-open-file
If file are send as content-disposition or with a generic content type like application/octet-stream" then this won't have effect.
You can check the handlers.json file to see how this action is stored.
You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.
- Help -> Troubleshooting Information -> Profile Directory:
Windows: Show Folder; Linux: Open Directory; Mac: Show in Finder - http://kb.mozillazine.org/Profile_folder_-_Firefox