If you are looking for a reliable tool to convert Mac OLM data to Windows PST without any changes. I recommend MailsDaddy OLM To PST Converter software. Users can migrate OLM data like emails, contacts, calendars, tasks, etc. to PST. It supports all Windows OS versions from new to old. It offers multiple OLM file export options like Outlook PST, EMLX, HTML, Live Exchange, RTF, CSV, Office 365, etc. It maintains email properties at the time of migration without any data loss.