You can try vMail OLM Converter software. This application is the ideal solution for migrating Mac Outlook OLM to Windows Outlook PST in just a few minutes without losing any data. Also, there is no file size limitation. The OLM to PST Converter software allows the user to export all the emails, messages, attachments, contacts, journals, and other details to an Outlook PST file format. It can also support all MS Outlook-like: 2003, 2007, 2007, 2011, 2013, 2016 & 2019. This software supports all Windows OS. Download the free demo version of the application.