How to Back up a profile in Thunderbird Email

In order to back up your profile, close Thunderbird, if it is open and then copy the profile folder to another location.

  1. Shut down Thunderbird.
  2. Locate your profile folder, as explained in this article.
  3. Go to one level above your profile’s folder, i.e. to %APPDATA%\Thunderbird\Profiles\
  4. Right-click on your profile folder (e.g. default), and select Copy.
  5. Right-click the backup location and select Paste.