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Can't sign in to an Microsoft 365 app on Mac

Liu, Jun 5 Reputation points
2023-05-08T05:45:12.4066667+00:00

I'm using macOS Monterey 12.3 M1 chip. I downloaded Microsoft 365 from the App Store and used my university account to sign in. Last week I found my app was logged out, and it showed "Sorry, another account from your organization is already signed in on this computer." when I tried to sign in.

I tried the solution at https://learn.microsoft.com/en-us/microsoft-365/troubleshoot/sign-in/sign-in-to-office-2016-for-mac-fail, but it didn't work.

Microsoft 365 and Office | Install, redeem, activate | For business | Windows
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  1. Liu, Jun 5 Reputation points
    2023-05-08T05:53:18.7133333+00:00

    I fixed it by deleting not only "Office" but also "Microsoft" entries in the Keychain Access app.

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