You can use commercial tool like KDETools Zimbra to Exchange Server Converter tool. Several features are:
• This tool also export Zimbra files to Exchange Server and additional file formats such as PST, MBOX, MSG, EML, EMLX, PDF, HTML, etc.
• It extracts all the useful mail data like To, Bcc, Cc, Sent, From, Received, Attachments, etc.
• This application easily export Zimbra file to Exchange Server without losing data.
• This application also support Windows Version.
Read More:
https://www.kdetools.com/zimbra/exchange/
