If you are searching for some cost-effective, reliable application to convert the Zimbra file to Office 365, then you can use KDETools Zimbra to Office 365 Converter.
• It is the safe and secure tool which can effectively convert Zimbra file to Office 365.
• Convert multiple file format PST, MBOX, MSG, EML, EMLX, PDF, HTML, etc.
• Also support direct migration of Zimbra to Office 365 account.
Read More:
https://www.kdetools.com/zimbra/office-365.html