Someone has asked about Transforming Outlook Email to Mbox, so that name is eSsoftTools PST to MBOX Converter Software. It works very simple and smooth steps without any difficulty. Using the mail filtering feature of this PST to MBOX software, users can transfer emails from a PST file to an MBOX file starting at a specific date. The Trial edition is open to all customers. In the trial edition, you can convert up to 25 email items per folder for free.
Visit here:- Transfer Outlook Email to MBOX