You can download free Vartika OLM to PST Converter software for Mac OS to convert your OLM file to Outlook PST format including all attachments and data items. It is an all in one converter which can also convert OLM file to other file formats like MBOX, PST, EMLX, EML, etc. It is fully capable to convert OLM files. So, by using an OLM to PST Converter application you can export all OLM data to Outlook PST format fully and safely.

Know more info-https://www.vartikasoftware.com/product/olm-to-pst-converter.html