How to Uninstall Firefox on a Mac

Wondering how to uninstall Firefox in a Mac? In some cases, it may be necessary.

Why Uninstall?
There are several reasons why you might do this. You may be switching to a different Internet browser or having trouble with a Firefox upgrade. Uninstalling the existing version of Firefox usually solves these problems.

Another reason to uninstall Firefox is if your computer is acting buggy or if a glitch is preventing the program from loading properly. Sometimes the only way to fix that type problem is to uninstall the program and then reinstall it.

Keep in mind that deleting Firefox will also delete any add-ons you've installed, as well as your bookmarks. Make some written notes of your preferences, add-ons and favorite bookmarks before you remove the software.

Removing Software on a Mac
Macs are well known for their ease of use. This is certainly the case when you're uninstalling Firefox Web browsers. There are no special programs or skills required. Another bonus with a Mac is that you do not have to go too deeply into the program files. The bulk of the uninstall takes place on your desktop.

  1. Drag the Firefox application to the Trash.
  2. Go to the .plist file stored at /Library/Preferences/org.mozilla.firefox.plist and remove that file.

The above steps remove the browser from your computer. They don't remove your user data and settings, however. This data, which includes bookmarks, customization and search history for your browser, is stored in the Firefox folder at Library/Application Support/Firefox.

It is important that you completely remove this information from your system. If you don't and you are reinstalling or upgrading Firefox, it can cause errors. Fortunately, removing the Firefox user data and settings on a Mac is just as easy as uninstalling the program.

First, locate profile folders, which will be in one of these locations:

  • /Library/Mozilla/Firefox/Profiles/<profile folder>
  • /Library/Application Support/Firefox/Profiles/<profile folder>

Delete the Firefox folder in the default profile path. Make sure that you delete the entire Firefox profile folder. If you don-t, you may get a Profile in Use error. 

After completing these steps, Firefox is completely removed from your computer. You're now ready to switch to a different browser or install a new version of Firefox.

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