vMail OLM to PST Converter is a perfect solution for exporting OLM files to PST file format. This software is helpful for users to easily switch from Mac Outlook to Windows Outlook. It smartly exports all emails, contacts, calendars, tasks, notes, etc. from Outlook for Mac to Outlook for Windows. The program is fully Windows-based hence you can perform OLM data to PST conversion on all versions of Windows such as Win 10/8/7/XP/Vista, etc. Both Mac Outlook and Windows Outlook all editions are supported by the software.

Know more info- https://www.vsoftware.org/olm-to-pst-converter.html
How do I export OLM to PST?
How to Convert OLM to PST using the converter software
Open the Software.
Choose the OLM FIles from your MAC.
Scan & preview the files.
Choose the files which you wish to convert.
Select Finish to end the conversion process.
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Willjoe