Migrate Zimbra TGZ file to Outlook, Office 365, and various others using MailsDaddy Zimbra Converter tool. This single GUI application is enough to move the database from Zimbra database from TGZ to Outlook PST format. It automatically manages data in the previous state without any technical skill. You can also use the free demo edition of the software and move 20 emails from each folder.
Read: https://www.mailsdaddy.com/zimbra-converter/