Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
This issue matches a known Mac activation problem where Office 2021 licenses are not recognized by version 16.114.1.
Try this exact recovery path:
- Remove the current Office apps again
- Close Word, Excel, PowerPoint, and Outlook.
- In Finder > Applications, move the Office apps to Trash.
- Remove stored Office licenses
- Run the Microsoft license removal tool: Download the license removal tool.
- Open the downloaded
.pkgfrom Downloads. - If macOS shows an unidentified developer warning, hold Control and click the file, then select Open.
- Select Continue, follow the wizard, then select Install to remove licenses. This removes all Microsoft 365 for Mac licenses, so have the correct account credentials ready before reactivating.
- Install an older Office build instead of 16.114.1
- Install version 16.114 using this package:
-
https://res.public.onecdn.static.microsoft/mro1cdnstorage/C1297A47-86C4-4C1F-97FA-950631F94777/MacAutoupdate/Microsoft_365_and_Office_16.114.26101123_BusinessPro_Installer.pkg?atp=ets
- Activate Office
- Open Word or Excel.
- Sign in with the Microsoft account that owns the Office Home & Student 2021 license.
- If prompted to choose a license, select the one-time Office 2021 license.
- Turn off automatic updates in Microsoft AutoUpdate
- In an Office app, select Help > Check for Updates.
- In Microsoft AutoUpdate, clear Automatically keep Microsoft apps up to date and confirm Turn Off.
- This prevents the apps from returning to 16.114.1, which is the version associated with this activation problem.
If activation still fails after that, use the Mac activation support path in Activate Office for Mac and What to try if you can't install or activate Office for Mac.
- How to remove Office license files on a Mac | Microsoft Support
- Activate Office for Mac | Microsoft Support
- Microsoft Office activation and the Mac App Store | Microsoft Support
- [Activation](https://support.microsoft.com/microsoft-365-activation-licensing/what-to-try-if-you-can-t-install-or-activate-office-for-mac)
- Office Home & Student 2021 (one-time purchase) will not activate on Mac - "No License Found" - Microsoft Q&A
- Office 2021 Home & Student license suddenly stopped working on Mac - Microsoft Q&A
- Microsoft Office Home & Business 2021 for Mac licence no longer working - Microsoft Q&A
- Office 2021 Mac activation — Error 16 — speak to agent - Microsoft Q&A
- My Office Home & Student 2021 iMac suddenly became read-only. - Microsoft Q&A