This third-party
KDETools PST to MBOX converter software will help to convert various PST files to MBOX. Users can batch convert PST files to MBOX format with one click. This converter is a program that can simply change Eudora, Entourage, Opera, Spicebird, Thunderbird, Apple Mail, SeaMonkey, etc. It offers the best feature to use selective conversion which is used to export items and folders from PST to MBOX.
READ MORE: https://www.kdetools.com/pst/mbox/
