Switching from Mac Outlook to Windows Outlook often hits a snag with OLM files, which store emails, contacts, calendars, and tasks in a Mac-exclusive format that Windows versions can't read directly. Professional OLM import tools bridge this gap by converting data to PST format for seamless Outlook integration, avoiding data loss or corruption risks common in manual attempts.​ https://www.scenario.press/blogs/252940/How-to-Import-OLM-Files-into-Outlook-Reliable-OLM-Import