Don't worry if you don't know how to convert pst files to mbox format. I'm going to recommend software that will quickly convert the PST file to an MBOX file. Its name is eSoftTools PST to MBOX Converter Software . I have used the PST to MBOX Converter application for more than a year and it still provides the proper results. All users have a demo edition. Technical support is available 24x7 service.
Read more:- Convert PST File to MBXO Format
If you need to recover mailbox data from Outlook.pst, SysInspire PST Converter software is for you. This software can quickly resolve your Outlook issues. It is able to convert PST files into many different formats like EML, MSG, EMLX, HTML, VCF, MBOX, Zimbra, ICS, and, etc. To use the software you don't need to install MS Outlook on your computer. This software is able to recover mailbox data like emails, contact, calendar, tasks, notes, and appointments. This company offers you a 30-day money-back guarantee.
Read more:-Convert PST into MBOX