For successful conversion of OLM files to PST, using a third party solution is the best idea rather than going for manual techniques. I would like to suggest a migration software that will definitely help users solve their OLM to PST conversion problems. Try OLM to PST Converter and get quickly, precise and consistent solution for migrating your innumerable OLM files into UNICODE PST format and get them imported in Outlook 2016, 2013, 2011, 2010, 2007 and 2003 editions. To know more:- https://www.osttopstapp.com/olm-to-pst.html
One can easily move their OLM files with the help of 2 different methods i.e, Manually as well as professionally.
But as there are many limitations with the manual method so we use only professnal tools which is fast, safe, and secured as well.
Cigati OLM Converter is one of those tools. It is a useful app that is capable of performing email conversions from offline .ost to Outlook .pst format. With the help of this converter tool, the user does not have to go through the conversion process for each individual file. Just use the Add Folder feature for bulk OLM file conversion. This software is quite comprehensive that can be operated by all types of users with little to no knowledge. Thus, the software will extract OLM file data as a replica of the mailbox data that the user will access under normal circumstances.
Now convert the Mac OLM files into Outlook PST format with the help of the best OLM to PST converter tool. The tool is specially designed for this purpose and converts the OLM files into PST format without any issue. You can also convert OLM files into other file formats including PST, EML, MBOX, and MSG. The tool is 100% secure and there is no data loss during the conversion process.
You can try to move Mac Outlook OLM file to Outlook PST file format on Mac. This application supports all Mac OS versions. Download the free trial version for Mailvita OLM to PST Converter for Mac OS (10.4) Mojave.