Firefox (FF) notes

The Firefox configuration folder (settings, etc…) is stored by default somewhere in a hidden section of the user's Windows directory (C:\Users\<your_login>).

It's a good idea to move this folder to another known place, in order to be able to back it up or move it to a new computer later!

If you are using Linux, go the the Thunderbird and Firefox on Linux page

The steps for moving/restoring the FF configuration directory are the same as the the Thunderbird steps, except that the location of the configuration directory is slightly different

TB configuration directory:
- Windows XP: C:\Documents and Settings\<your_login>\Application Data\Thunderbird
- Windows 7 or Windows 10: C:\Users\<your_login>\AppData\Roaming\Thunderbird

FF configuration directory:
- Windows XP: C:\Documents and Settings\<your_login>\Application Data\Mozilla\Firefox
- Windows 7 or Windows 10: C:\Users\<your_login>\AppData\Roaming\Mozilla\Firefox

If you get a new FF profile instead of the expected one when you restart FF, make sure you follow correctly the steps explaining how to use about:profiles to change the default profile, at the bottom of the detailed TB page

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