How to Open TGZ File in Windows 10 Outlook? As we all know that Zimbra Desktop and Outlook are completely different webmail clients, so a third party tool is required to open Zimbra emails in PST format. Zimbra to Outlook Converter is very simple & easy to handle, it has very user-friendly graphical interface. To open TGZ file in Windows 10 Outlook, first export or take backup of all the Zimbra emails in PST format using this smart tool. Open TGZ File in Windows 10 Outlook in batch mode using Add Folders option of this Zimbra Converter. During the entire TGZ to PST conversion process, all the folder hierarchy is accurately maintained and it performs secure conversion process. Users can easily use the software without any problem and successfully open TGZ File in Windows 10 Outlook, without any file size limitation. With this software, users can simply save Zimbra file to Outlook 2019, 2016, 2013, 2010, 2007, etc. Get the free demo version of software to check its efficacy by converting first 25 items per Zimbra file to Outlook, free of cost.