As people and businesses move to using cloud-based emails, including Microsoft’s Office 365, there is an increasing need to shift older and localized formats like OLM (Outlook for Mac) files. The problem is that there are almost no solutions from Microsoft, and importing OLM to Outlook 365 without utilizing Outlook can be very difficult. Luckily, there are solutions such as MyDigis... https://diginik.liveblog365.com/tech/how-to-migrate-olm-file-to-office-365-without-outlook-step-by-step-guide/