If an Answer is helpful, please click 'Accept Answer' and upvote it. If not, you may choose one older version of the Office for Mac on the following articles, then click 'Install package' and try to install on your MacBook.īut please note, installing a new version of Office for Mac is still a best practice. To get the best experience of using Office for Mac, could you please upgrade your MacOS to Big Sur (11), Catalina (10.15) and Mojave (10.14 )? New installs of Microsoft 365 for Mac or Office 2019 for Mac will also require macOS 10.14 or later. If you continue with an older version of macOS, your Office apps would no longer receive any updates including security updates. Based on OIT testing, the page provides a useful guide for which software is recommended, near end of life, should be upgraded or is in an early-adoption phase.Do you have the Microsoft 365 for Mac or Office 2019 for Mac?Īs of the December 2020 ( build 16.44) update for these 2 versions of Office, macOS 10.14 Mojave or later is required to receive updates. OIT’s Software Life Cycle page provides guidance to the campus community on recommended operating systems, productivity applications, web browsers, and email & calendar software. All others are welcome to contact the IT Service Center ( or 30) or schedule an appointment with OIT’s Buff Techs desktop support team for help to upgrade. If you are a customer of OIT’s Dedicated Desktop Support service and would like help or have questions about upgrading your operating system, please submit a request through the Dedicated Desktop Support Service Request Portal. Software vendors have quickly followed suit and no longer support products on High Sierra which includes Microsoft Office 365 and Adobe CC 2021. Apple fixed the vulnerability in Big Sur 11.2.1, Catalina 10.15.7 and Mojave 10.14.6, but did not fix High Sierra and dropped support for that version. In early February, a severe security flaw was discovered in macOS. Not only that, but the campus recommended antivirus for Macs is no longer supported on High Sierra which means Macs that are running this older operating system are no longer protected from viruses and other malicious attacks. If you’re running macOS High Sierra 10.13 or earlier versions of macOS, you should upgrade to a newer version of macOS immediately as High Sierra and older versions are no longer supported by Apple.

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