If you are facing any problem with Mac Outlook OLM file Accessing, then use Outlook stores user information in form of PST files and Mac Outlook stores user information in form of OLM file format. Sometime it becomes tough to migrate from Mac Outlook to windows Outlook without using professional vMail OLM to PSTConverter software which can easily convert OLM file to PST format with all email components, such as Inbox, Contacts, Calendars, Tasks, and Notes etc from the Outlook for Mac (OLM) data file to the corresponding MS Outlook Personal Storage (PST) File.