Thunderbird stores all your data including messages, contacts, and configuration options in the backup profile file.
When you want to restore yourMozilla Thunderbirddata from abackup copy, the process is simple.
To locate it:
Open Thunderbird.
SelectHelpon the menu bar.
Confirm that the existing profile folder and the profile backup have identical names.
If your backup profile uses the.Restoration Profileextension, change it to the.defaultextension.
Replace the existing profile with the backup file.
