Mac users prefer MS Outlook on their mac devices for email communication. But sometimes due to the storage problem or fewer features they want to migrate emails from Outlook for Mac to other email clients like Mozilla Thunderbird, Zimbra, Seamonkey, and Eudora. So, you must know one thing that all these email clients support MBOX files. Therefore converting Mac Outlook OLM to MBOX on Mac can bring you the solution to your problem. You can easily move all the emails with attachments from your Mac Outlook to Thunderbird, Zimbra, or Eudora with the help of an automated tool.

read more:- https://www.macsonik.com/blog/how-to-migrate-olm-to-mbox-mac/