If you want to import Zimbra to office 365 account. Then you must use Vartika Zimbra to office 365 importers. This Software has fast and smooth utility which you can convert Zimbra TGZ file to Office 365 account Along with PST format, there are another formats available like- EML, MSG, EMLX, HTML, MBOX, vCard, vCal, and Split PST file.

know more info-https://www.vartikasoftware.com/fr/z...migrator.html#

 

If you want to import Zimbra file to Office 365 then you can try any commercial solution like KDETools Zimbra to Office 365 Migration tool. This tool easily migrate Zimbra file to Office 365 and other file formats such as PST, EML, EMLX, HTML, PDF, vCal and etc. This software shows free preview of data before starting migration process. This tool is easy to use for both technical and non technical users.
For more information visit Official site KDETools Zimbra to Office 365 Migration Tool