Microsoft 365 Activation on MacBook Air with OS Tahoe 26.5.2

BC 0 Reputation points
2026-07-17T04:47:06.13+00:00

I share the license with the family. I use a separate device.Microsoft 365 went overnight to view only. I updated my Mac OS on Sunday to Tahoe 26.5.2.

I am a writer and need to access and edit my documents.

Thank you

Microsoft 365 and Office | Install, redeem, activate | For home | MacOS
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Answer recommended by moderator
DaveM121 929.6K Reputation points Independent Advisor
2026-07-17T05:22:15.9233333+00:00

This problem is caused by the July 13 update that was released that has blocked previous unsupported versions of Office or Office on older versions of MacOS, the full details on that update are available on this link.

https://support.microsoft.com/office/update-microsoft-365-or-office-on-your-macos-or-ios-device-f418ae5d-bb5f-4078-b3d9-9340f5dd084e

If you have MacOS Tahoe and a subscription to Microsoft 365, you are affected by a bug in that update, many people are reporting this since July 13, the best option is to completely uninstall the Office apps from your Mac, then follow the steps at this link to remove the Office license.

https://support.microsoft.com/microsoft-365-activation-licensing/how-to-remove-office-license-files-on-a-mac

Then, restart your Mac and sign in to your Microsoft account online ( https://account.microsoft.com/services/ ) to reinstall the Office apps.

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  1. BC 0 Reputation points
    2026-07-17T06:58:44.6+00:00

    Thank you.

    Seems like a drastic measure.

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  2. A L 0 Reputation points
    2026-07-17T14:37:48.3+00:00

    It worked. Thank you

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