If you're looking for something, for a PST to Thunderbird Converter free download so you should try the eSoftTools PST to MBOX Converter Software that is available for free download on our website. It is the best tool I've used in my experience. The steps are very clear, simple, and gentle. Before beginning the conversion task, it displays a live preview of the PST file elements. The trial edition is also open to all users, and it converts 25 email items per folder at no charge.
Read more:- https://www.esofttools.com/pst-to-mbox-converter.html