Office 365 for Mac needs Mojave, Sierra or High Sierra In short: Office 365 for Mac gives you the latest features and updates if you have the latest MacOS (Mojave 10.14) or the two before (10.13 High Sierra or 10.12 Sierra). The situation appears confusing, so we’ll try to break it down for you. Microsoft has a blog post might be accurate, but it doesn’t exactly shine with clarity.
Some Office 365 for Mac users might not be getting the latest and greatest features. Office 365 for Mac users might well be confused about compatibility with their MacOS.
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