OLM (Outlook for Mac) files are used to store email messages, contacts, calendars, and other data in Microsoft Outlook for Mac. If you need to open OLM files on both Mac and Windows platforms, Please note that while it's possible to open OLM files on both Mac and Windows, there might be limitations in terms of compatibility and features between the two platforms. So, in this article, we’ll cover how to open OLM files on both a Mac and a Windows computer "How to Open OLM Files on Mac and Windows?"