Try OLM Export Tool – A better utility for users to transfer Outlook for Mac to Apple Mail from any MS Outlook edition i.e. Outlook 2021, 2019, 2016, 2013, 2010, 2007, etc. The software can also migrate OLM files to Apple Mail even without Outlook installation. The software is compatible with all latest and below Windows OS versions to effortlessly transfer Outlook for Mac to Apple Mail on any Windows (32bit and 64bit) OS platform. You can download its free demo version to understand how to transfer Outlook for Mac to Apple Mail before buying license edition.