An Simple & Secure Way to convert Outlook PST files into MBOX format, use GainTools PST to MBOX Converter. This tool simple to migration from Outlook PST mailbox file to all email clients that support MBOX such as Thunderbird, Apple Mail, Poco Mail, Power Mail, Eudora, etc. It works with all versions of Microsoft Outlook, including 2021, 2019, 2016, and earlier. This application supports both ANSI and Unicode PST files without any problem. It is not necessary to have Outlook installed in order to use this converter. Email formatting, attachments, and information (To, From, Subject, and Date) are all preserved in their original form. Before making a purchase, consumers can test features with the tool free demo version. Visit here: https://www.gaintools.com/pst/mbox/