Microsoft Outlook is one of the most popular email clients, and its data files come in two formats: OLM for Mac and PST for Windows. If you are switching from Outlook for Mac to Windows or need to import your Outlook for Mac data into Office 365, you must convert OLM files to PST format. Unfortunately, Outlook does not offer a built-in feature to directly convert OLM files to PST. But... https://soniya07.livepositively.com/step-by-step-guide-convert-olm-to-pst-on-mac-for-office-365-users/new=1