I would like to suggest best Mac OLM to PST Converter which efficiently convert multiple Mac OLM files to PST without any restriction such as emails, calendars, tasks, contacts, notes etc. During conversion, it causes no alteration or changes to the original mailbox content. The original OLM files are kept intact or untouched.
This utility easily to migrate Mac Outlook to PST file format on mac. OLM to PST Converter for Mac software allows the user to export all emails, messages, contacts, appointments, journals, and other details stored by Mac Outlook email client application into an Outlook PST file format of Mac operating the system. This software supports all Mac OS versions. A few simple clicks download the app on Mac OS. This software provided a free Demo version.
For more info visit here: - https://www.mailvita.com/olm-to-pst-converter-for-mac/
Checkout this OLM to PST Converter tool and Convert OLM to PST file format easily. this software supports all the versions of Windows OS. Visit:- https://www.tooltoconvert.com/olmtopst.html