The other important thing is that you can import the PST file to Outlook for Mac but you can’t import OLM files to Outlook for Windows directly. So if you want to access Mac emails on the Windows platform you need to export Outlook Mac emails to outlook pst format or convert Outlook for Mac emails to Outlook for Windows PST format. While MS Outlook for Windows uses PST file Outlook for Mac uses OLM files to store information. The only difference is the data file used to store emails and other user information. It is provided by Microsoft and very much similar to MS Outlook for Windows. Outlook for Mac is the email application used in the Macintosh system for sending and receiving emails. Summary: Simple step by step guide to Convert OLM to PST manually, Easily export Outlook for MAC emails to PST format and import the converted PST file to Outlook. But that doesn’t mean we have compromised with the quality of products recommended, we have tested and reviewed the products mentioned below ourselves. Affiliate Disclosure: Some links mentioned below are affiliate links, we may earn a small amount if you make a purchase at no additional cost to you.