Try vMail Converter Tool to directly import Mac OLM emails, notes, calendars, contacts, tasks and attachments to PST format. It supports all the editions of Windows OS and MS Outlook including the newest editions. Try free demo edition of this utility which allows you to export 30 OLM items from each folder at free of cost.
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I want to suggest to you the best Softaken OLM to PST Converter Tool. This utility performance is outstanding and fabulous. You can do only a few easy steps to move your OLM file to PST. this software saves your time because its feature is very simple and easy to use. This tool migrate your OLM file data selectively. You can access this application in various MS Outlook versions like 2019, 2016, 2013, 2010, 2007, and 2003. Refer:-