Utilize Zimbra Migration Tool that is specially programmed to open Zimbra TGZ file in Outlook 365. The Zimbra Migration Tool is a simple and trouble-free application that anyone can effortlessly operate to open Zimbra TGZ file in Outlook 365 environment. Zimbra Migration Tool to open Zimbra TGZ file in Office 365 has features with the help of which users can open Zimbra TGZ file in Outlook 365 as per their requirements. However, the free demo of the tool is available with the help of which users can check the migration procedure and test the working steps to open Zimbra TGZ file in Outlook 365 for free.