Based on my expertise and understanding in this domain, I'd like to suggest MacProTools OLM Converter for Mac. because it's a sophisticated and trustworthy solution that converts Mac files without erasing any of your data. Using this software you can convert OLM files to PST and multiple file formats, such as CSV, MBOX, EML, and EMLX. All users, technical and non-technical, may transmit emails, contacts, notes, and other attachments without difficulty thanks to its easy-to-use user interface. It supports all Mac versions, and you may convert OLM to PST without installing Outlook. You can also convert your main and minor files here without worrying about file sizes. To experience the unique capabilities and the conversion process in its entirety, this software is also offered to all new customers as a free demo edition.