
If you're on an unsupported version of macOS, your Office apps will still work but you would no longer receive any updates including security updates. What if I don't update macOS to a supported version? Learn more about the latest macOS releases.

Note that new installs of Microsoft 365 for Mac or Office 2019 for Mac will also require macOS 10.14 or later. Upgrading your operating system to macOS 10.14 or later will allow Office updates to be delivered for your apps. If you continue with an older version of macOS, your Office apps will still work, but you'll no longer receive any updates including security updates. It is a pity that High Sierra support is being dropped considering that it’s not that old (it was released in 2017), but it’s something you’ll have to take into consideration.As of the December 2020 (build 16.44) update for Microsoft 365 for Mac or Office 2019 for Mac, macOS 10.14 Mojave or later is required to receive updates to Word, Excel, PowerPoint, Outlook and OneNote. However, if you’re the sort that needs to be updated at all times for work or for school, then this could be an issue. If you don’t have any problems with using a potentially outdated piece of software, we suppose this isn’t really that big of a deal. If you can’t upgrade to a newer version of macOS or get a new Mac computer, Microsoft does mention that your apps will continue to work, it’s just that they will no longer be able to receive any updates for new features or security. If you continue with an older version of macOS, your Office apps will continue to work but you will no longer receive any updates including security updates.” If you’re subscribed to Microsoft’s Office 365 and you’re running a Mac computer that’s on macOS High Sierra, you have two choices – either you update your Mac to a newer version of macOS, or get a new Mac because Microsoft has announced that starting next month, they will be dropping support for macOS High Sierra and older.Īccording to Microsoft, “As of the Microsoft 365 for Mac November 2020 update, macOS 10.14 Mojave or later is required to receive updates to Word, Excel, PowerPoint, Outlook and OneNote.
