Note: As new major versions of macOS are made generally available, Microsoft will remove support for the oldest version and support the newest and previous two versions of macOS. Product functionality and feature availability may vary on older systems. For the best experience, use the latest version of any operating system specified above.
Microsoft 365 for Mac
Starting with the November 2021 update (16.55) macOS 10.15 Catalina or later is required receive updates to Word, Excel, PowerPoint, Outlook and OneNote. 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.
Upgrading your operating system to macOS 10.15 or later will allow Office updates to be delivered for your apps. Note that new installs of Microsoft 365 for Mac will also require macOS 10.15 or later.
The October 2021 update (16.54) is the last build to support macOS 10.14 Mojave.
Learn more about the latest macOS releases.
What if I don’t update macOS to a supported version?
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. For example, if you’re on macOS 10.15, but later you don’t update your macOS to a supported version when macOS 10.15 is no longer supported, you won’t receive any updates of any kind.
As new major versions of macOS are released and older versions become unsupported, we highly recommend you continue to update your macOS to a supported version in order to receive mainstream support such as security updates as well as new features.
Is macOS Monterey supported?
Yes. Apple made macOS Monterey generally available (GA) on October 25 2021. For the best experience with the new operating system, make sure that you have installed the latest updates for Word, Excel, PowerPoint, Outlook and OneNote.
Send feedback for Office for Mac
Help us improve Office for Mac. If you encounter any issues while using Office, please send us feedback so we can address them. Here’s how:
- Word, Excel, PowerPoint and OneNote: Select the Feedback icon in the top-right corner of the app.
- Outlook: Select Contact Support from the Help menu.
-
OneDrive: Select Send Feedback from the Help & Settings tab.
Office for Mac 2021
Starting with the November 2021 update (16.55) macOS 10.15 Catalina or later is required receive updates to Word, Excel, PowerPoint, Outlook and OneNote. 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.
Upgrading your operating system to macOS 10.15 or later will allow Office updates to be delivered for your apps. Note that new installs of Office 2021 for Mac will also require macOS 10.15 or later.
The October 2021 update (16.54) is the last build to support macOS 10.14 Mojave.
Learn more about the latest macOS releases.
What if I don’t update macOS to a supported version?
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. For example, if you’re on macOS 10.15, but later you don’t update your macOS to a supported version when macOS 10.15 is no longer supported, you won’t receive any updates of any kind.
As new major versions of macOS are released and older versions become unsupported, we highly recommend you continue to update your macOS to a supported version in order to receive mainstream support such as security updates as well as new features.
Is macOS Monterey supported?
Yes. Apple made macOS Monterey generally available (GA) on October 25 2021. For the best experience with the new operating system, make sure that you have installed the latest updates for Word, Excel, PowerPoint, Outlook and OneNote.
Send feedback for Office for Mac
Help us improve Office for Mac. If you encounter any issues while using Office, please send us feedback so we can address them. Here’s how:
- Word, Excel, PowerPoint and OneNote: Select the Feedback icon in the top-right corner of the app.
- Outlook: Select Contact Support from the Help menu.
-
OneDrive: Select Send Feedback from the Help & Settings tab.