I would like to recommend you secure application Zimbra to MBOX Converter Tool to import Zimbra file to MBOX. Various features are:
• This software is secure and protected that can easily import Zimbra file to MBOX and other file formats like PST, EML, EMLX, HTML, PDF, etc.
• This application securely import Corrupted file.
• This tool also import Corrupted file firmly and Meta properties email get move.
Read more:
https://www.kdetools.com/zimbra/mbox/
