If you want to save Mac Outlook OLM to PST on macOS then, you can download and install the perfect Mac OLM to PST Converter Tool which directly save Mac Outlook OLM to PST with complete mailbox items. It allows saving unlimited Mac Outlook OLM emails to PST format in a single way without losing any details. With this solution, one can easily save Mac Outlook OLM to PST format without Outlook installation. It works with all the latest & below versions of Mac OS and Mac Outlook. To get more info about the program, you can try its free demo pack.