Try CubexSoft Mac OLM Converter Tool to quickly open OLM file on Mac Operating System. It is one of the best approach to open multiple Mac OLM files into 15+ file formats and mail clients at a time. It easily converts Mac OLM emails, tasks, contacts, notes, calendars, etc. to PDF, PST, EML, MSF, CSV, ICS, IMAP, O365, Gmail, Thunderbird, and more file formats. Also, the program comes with various benefits like batch & selective conversion, file naming combinations, free demo, destination location, and many more.