If you would like to export OLM to Outlook PST, you can try the OLM to PST Converter Application. The online app helps to switch single and multiple Outlook PST files at the same time. It can convert OLM Email to MBOX, MSG, EML, EMLX, and PST formats. Though, it offers a complete preview of mailbox items before any conversion. It provides a free trial version to assess the first 10 emails free.

Use the MacSonik OLM converter for Mac for a hassle-free conversion of OLM to PST. It is a multifunctional utility embedded with various advanced features that help to provide secure conversion of OLM files in bulk. Users can opt to convert emails of the desired dates using the Mail Filter feature. The OLM converter tool helps to convert the OLM files to various file formats and email clients like EML, MBOX, PDF, Gmail, Office 365, AOL, etc.

Steps to convert OLM to PST -
1. Install and Run the MacSonik OLM converter tool.
2 Select the Browse button and add single/multiple OLM files.
3. From the drop-down menu, choose PST as the output file.
4. Finally, click convert to start the conversion process.

If you are looking for the best method to convert OLM files into PST file format then you can try the software OLM Converter. This software allows you to export data from OLM files and save them into Outlook PST. It can also convert OLM files into different file formats. It does not make any changes to its original folder structure during the conversion process. It maintains the original folder structure during the conversion process. You can download and use its free demo version to check its features.

There are four ways in the manual to convert OLM files to PST.

Create an IMAP account with a Gmail account.
Set up an IMAP account in Outlook Mac.
Sync Outlook for Mac and IMAP accounts using a Gmail label.
Exporting emails from Mac Outlook to IMAP.

This May Work,
Peter