Whenever, you create an account in the application, then a new OLM file is created for the account. The data file format of Outlook for Mac is OLM and saves all the mailbox items in it. The user-interface of the software is adaptive as per the MacOS and all the features have been designed to suit the needs of proper email management. Now, the MacOS users can also setup their emails in Outlook for Mac and engage in better email communication. Outlook for Mac from Microsoft has enhanced the outreach of Windows-based applications to MacOS platform.
