Product Page: http://www.sametools.com/convert/olm/

The SameTools OLM to PST Converter Software easily exports Mac Outlook files for Windows Outlook PST files instantly. The software does not convert only OLM emails it also converts contacts, calendars, notes, etc. The tool can convert OLM files into various formats like EML, EMLX, MSG, etc, without wasting too much time. In addition, the tool also offers a live preview facility, in which users can see all files before starting the conversion process.