Backing up your Thunderbird address book is a good way to protect your contact information in case of hard drive failure or another computer-related problem. The process is simple and takes only a few minutes.
To back up your Thunderbird address book, first open Thunderbird and click on the “Address Book” menu. Then, select “File” and “Export”.
In the Export window, choose “Comma Separated Values (.CSV)” as the file type. Then, click “Save”.
The backup file will be saved to …
