You can also use CubexSoft Zimbra to Office 365 Migration Tool to migrate unlimited Zimbra mailboxes into office 365 at once. The software GUI is simple, secure, and advanced, Both professional and non-professional users can operate the app effectively and implement the process without facing technical issues. The features are also ultimate and will help users to attain the desired results in short span of time. Download the free demo of Zimbra to Office 365 and evaluate the working for free.
I am replying on this thread ‘Zimbra file to Office 365 Converter’. Zimbra to Office 365 Converter is most effective tool to convert Zimbra file to Office 365, and other popular file format like MSG, EML, EMLX, HTML etc. This software also support Zimbra to Gmail, G Suite, and Google Drive.
Read More: https://www.kdetools.com/blog/migrate-zimbra-to-office-365-directly.html