If you are searching for some cost-effective tool to convert Zimbra to Office 365 account, then you can use Zimbra to Office 365 Migration. If you want to check the data, properties, attachment etc. that is being converted before the actual conversion is done; the preview option will help you.
Read More:
https://www.kdetools.com/blog/migrate-zimbra-to-office-365-directly.html
