Are you interested in learning “How to Open a PST File in Thunderbird? then you should use eSoftTools PST to MBOX Converter Software. It has some advanced features that make it easier to export Outlook emails to MBOX format. It has a user-friendly interface that even non-technical users can understand. The Demo version is also available for all users. In the demo version, you can convert 25 email items per folder without any charges.
Read more:- Import a PST File in Thunderbird