You can easily import emails, contacts, calendars, tasks, notes, etc from MS Outlook database file in Mac (OLM file) into Default Mail Application in your Mac Computer in just a few steps using vMail OLM file Converter for Mac.
To performs this email migration process first you need to export your email data from Outlook app to OLM file and then use OLM Converter Tool to export all data from OLM to MBOX file. You can also convert any old backup OLM file from your old email account in Outlook app or any other Mac computer.
After successful olm to pst conversion, you can easily import the MBOX file in any email profile in your Mac Mail and access all your emails, contacts, calendars, tasks, notes, etc from Outlook OLM file. There is no risk of any data loss during the OLM to Mac Mail migration process.
Learn More- import OLM file into Mac Mail