If you want to migrate Zimbra to Office 365 then you can try a third-party tool like KDETools Zimbra to Office 365 Migration Tool. The application securely migrate Zimbra mail to Office 365 and Exchange Server account. The software allows the user to migrate Selective items of Zimbra to Office 365. The application migrate Zimbra to various file formats such as PST, EML, EMLX, HTML, PDF, NSF, OLM, MBOX and etc.
You can safely and securely migrate Zimbra to Office 365 then you can try an automated solution like Zimbra to Office 365 Converter. This software easily migrate Zimbra to Office 365 and Exchange Server account without any issue. The application allows the user to migrate Zimbra to different file formats such as PST, MBOX, EML, EMLX, HTML, PDF, NSF and etc. The software supports all the latest versions of Windows such as Windows 10, 8, 7, 2000, XP, Vista and etc.