I want to know how do I back up Outlook on Mac so as to protect those important emails on my own? Help please.' Fortunately, those lost emails are not important. ' How do I back up Outlook 2016 emails on Mac? I recently upgraded Outlook on Mac but it turns out that some of my old emails were lost. How Do I Back Up and Restore Outlook 2016 on My MacBook? Relax and follow the exact solution to protect your emails on Mac immediately. Here, we will take Outlook 2016 on Mac as an example to show you how to back up and restore Outlook on Mac with or without backup in 5 methods.