How do I save PST files to OLM file? If you are also searching for a solution to this query, then quickly download PST Converter for Mac. It’s a simple to use application that allows all users to effortlessly save PST files to OLM file alongwith all emails, mail folders, contacts, calendars, journals etc. The software also enables users to save PST files to OLM file selectively, as per their requirement. Download free demo of the tool and get detailed information about how to save PST files to OLM file. The free demo tool runs on all Mac OS editions (Ventura, Monterey, Big Sur, Mojave etc.) and will allow to save first 25 items per PST file to OLM file.