With the help of CubexSoft OLM to PST Converter for Mac & Win OS Tool, one can simply convert OLM files to PST with contacts, calendars, tasks, journals, etc. The tool can convert multiple OLM files into PST format at once without missing any data. It also supports all the editions of Win OS, MS Outlook, and Mac OS. For more details, try the demo version of the app for free.]