Whether you're looking for the most effective approach to “How to Convert PST File into MBOX, eSoftTools PST to MBOX Converter Software is a great option. It has a lot of simple, easy, and gentle actions. During the PST to MBOX conversion, email properties are minted. The software can convert PST to MBOX along with every mailbox item such as - emails, contacts, calendar, attachments, tasks, notes, and more trial version is available to all customers and is completely free to download. In the demo edition, you can convert up to 25 email items per folder every time.