You can use Vartika OLM to PST Conversion Tool to convert Mac Outlook OLM files to PST format. This Software manages the right of all data after OLM to PST conversion and this tool will not lose any data while the file switching from it. You can easily shift your huge size of OLM file to PST file format. It supports all versions of MS Outlook and Mac versions. It has a user-friendly interface and it provides a free demo version that allows the users to see the preview of data.

Get more info- https://www.perfectdatarecovery.com/en/store/12/vartika-olm-to-pst-converter.html