You can import TGZ files into PST easily by using professional software like Softaken TGZ to PST Converter. Zimbra TGZ files can be converted by this programme to PST and other file formats, such as MBOX, EML, EMLX, HTML, NSF, and more. Email meta attributes like bcc, cc, to, subject, date, time, attachment, and so forth are tracked by the software. The app imports TGZ Calendar and Contacts into PST as well. All current iterations of Windows are compatible with the application. Read More :- https://www.softakensoftware.com/zimbra-to-outlook-converter.html