With the help of Xtraxtor, you can easily import PST to Thunderbird mailbox and you can easily open your emails. This is the easy and secure way to open your PST file data into Thunderbird without affecting its integrity. You can also try the demo version of teh software to know its working process.
Steps to Open PST in Thunderbird –
1. Run the Xtraxtor tool on your system.
2. Add the PST file.
3. Click on Export >> Thunderbird.
4. Browse the saving location and hit the Save button.
Done! Here complete the process. https://xtraxtor.com/blog/import-pst-to-thunderbird/