Zimbra to pst converter software is the best software to convert any zimbra file data in to pst file. stella zimbra to pst converter software support all version 32bit and 64bit zimbra file data in to pst file. stella zimbra to pst converter software convert all the zimbra mailbox items in to office 365 account.
For more info visit this link.
https://www.stelladatarecovery.com/email-migration/zimbra-to-pst-converter.php