If you want a simpler and faster solution, jump to the direct (software-based) method in the next section. Note: This method is time-consuming and prone to errors/data corruption, especially if your mailbox is large-sized. You can directly export Mac Outlook data to Windows Outlook by following the steps below: In this method, you don’t need to convert the OLM file.
1 Method to Convert OLM to PST for Free.