OLM is a database file format created by Microsoft for outlook for Mac to store Emails, Contacts, Calendars, Events, Attachments, and all other information that is needed by Outlook for Mac. Outlook for Mac does not store information in OLM by default but you can Export Olm from Outlook from Import/Export option in file Menu.
How to view Olm File?
You can open Olm File using various Options Some of them are as follows.
- Importing OL file in Outlook for Mac.
- Using Free OLM viewer like SysTools OLM Viewer.
Read more : Download OLM to PST Converter for Windows