back your Thunderbird data

Thunderbird Backup Account Settings

Thunderbird is a desktop email client that lets you manage your email accounts and messages from a single location. You can create backup copies of your account settings, which can be useful in case you need to restore your settings or move them to a new computer.

To create a backup of your account settings in Thunderbird, select File Export Account Settings. Select a location to save the backup file, and click Export.

The exported file will include your account …