How to import OLM file to Outlook 365 for Mac OS? Download the best OLM file converter, it helps you to import OLM file to Outlook 365 with no data loss at all. Software helps you to import OLM file to Outlook 365 for Mac in batch mode, it saves users valuable time to import multiple OLM files to Outlook 365 online. Mac OLM file converter toolkit is designed with DIY interface which helps technical and non-technical user to import OLM file to Outlook 365 for Mac OS, download the free Mac OLM file converter to test its working efficiency.