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can not set automatic downlod option for ZIP files

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For some reason the check box to set automatic action to download ZIP files is greyd out. I have to select "save file" and click OK every time. Is there another way to set the option to automatically save ZIP files?

For some reason the check box to set automatic action to download ZIP files is greyd out. I have to select "save file" and click OK every time. Is there another way to set the option to automatically save ZIP files?

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see this page under Changing download actions or under Resetting download actions for all content types:


or try The Refresh feature (called "Reset" in older Firefox versions) can fix many issues by restoring Firefox to its factory default state while saving your bookmarks, history, passwords, cookies, and other essential information.

Note: When you use this feature, you will lose any extensions, toolbar customizations, and some preferences. See the Refresh Firefox - reset add-ons and settings article for more information.

To Refresh Firefox:

  1. Open the Troubleshooting Information page using one of these methods:
    • Click the menu button New Fx Menu, click help Help-29 and select Troubleshooting Information. A new tab containing your troubleshooting information should open.
    • If you're unable to access the Help menu, type about:support in your address bar to bring up the Troubleshooting Information page.
  2. At the top right corner of the page, you should see a button that says "Refresh Firefox" ("Reset Firefox" in older Firefox versions). Click on it.
  3. Firefox will close. After the refresh process is completed, Firefox will show a window with the information that is imported.
  4. Click Finish and Firefox will reopen.
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This usually happens if the server doesn't send the ZIP file with the valid MIME type for this file extension. You can add this action to handlers.json at the end of the file (add a comma as a separator)

"application/zip":{"action":0,"ask":true,"extensions":["zip"]}

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.