MS Outlook provides some new featurethat another email client does not provide. MS Outlook saves the file in anoffline and online mode so that we can easily access data any time. MS Outlookprovides many options such as calendar, contact, notes, journal, items etc.Therefore, I want to switch from my old Zimbra email client. But I face someproblem that my old important data save in TGZ file format. How to convert TGZinto PST file format.