If you want to import OLM data to Outlook PST format without any hassle then try vMail OLM to PST Converter tool. This professional application supports all Windows OS and allows exporting data from OLM to PST, Office 365, EML, MSG, etc. Users can also use the software on the bulk mailbox and migrate all of them at once. The free version of the tool converts 30 items from each folder.
Get more info- https://www.vsoftware.org/blog/import-outlook-olm-into-mac-mail.html
If you have an OLM file and you don’t open them in a comprehensible way at that time you just require any third-party App which helps in that situation OLM to PST Converter Tool Online an advance switch Mac OLM to Outlook PST that actually good and effective for move Mac OLM file data. You are just required to do 2-3 clicks and you will get the desired converter.