If you are looking for cheap software then no need to worry, I recommend KDETools PST to MBOX Converter, which you can use to easily migrate your PST file to MBOX format. The software can recover deleted items including all email messages, contacts, calendars, tasks, note attachments, journals, etc. You can also successfully export the PST file to Live Exchange Server and Office 365 mailbox.

READ MORE:  https://www.kdetools.com/pst/mbox/