If you want to migrate Zimbra to Office 365, you can tryadvanced software like Zimbra to Office 365 Converter. The tool has many advanced featuresfor transferring Zimbra file to Office 365. The tool preserves email meta
properties like to, subject, date, time, attachment, etc. during the conversion
process.
Read More:
https://www.kdetools.com/blog/migrate-zimbra-to-office-365-directly.html
