For easy conversion, you just need to use the OLM to PST Converter tool; it is the best tool for converting Mac OLM files to Outlook PST file format accurately. With the help of this tool, the user can save the OLM file in multiple formats like RTF, MSG, EML, HTML, and PDF. Users can also export MAC OLM data directly to Office 365 mailboxes. The tool works well with all versions of Outlook for Mac, MS Outlook, and Windows OS.
For more info, you can visit: https://www.datarepairtools.com/olm-to-pst-converter.html