Thunderbird is an open-source and free email client app for Windows, Mac, and Linux. Like Outlook, Thunderbird also stores email databases in MBOX format on your local machine. If you are looking for a way to export and migrate Thunderbird mailbox items…
![How to Export Thunderbird mail items to Outlook PST](https://www.techwebspace.com/wp-content/uploads/2019/01/Backup-G-Suite-Email-Data-580x375.jpg)