The simple and effective way to migrate Mac OLM files to Office 365 is MacMister OLM Converter Tool. The application is compatible with both Mac & Windows OS and so Mac and Windows users can easily perform the migration of OLM files into Office 365. The tool is user-friendly and highly advanced. It also includes many powerful features with the help of users can migrate OLM files to Office 365 according to their requirements. However besides Office 365, the software is capable to perform the migration into PST, MBOX, EML, EMLx, MHT, HTML, DOC, Office 365, G Suite, Gmail, Yahoo, and more. Download the free demo of the tool and migrate first 25 OLM emails and attachments to Office 365 for free.