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Dimitri_Pletschette
Iron Contributor
Aug 30, 2025

Microsoft Account Already Exists (Windows 11)

While trying to change from account A to account B, I switched to a local account to make the transition smoother (as recommended). However, despite various attempts—including clearing the Credential Manager—I always receive the error: "Microsoft account already exists."

I realize this issue has never been properly resolved in various forums (learn), and other users have experienced the same problem over time, with the suggested solution often being to restore Windows 11. Is this really how defect management is handled at Microsoft? Have other users faced similar issues?

And this does not work either : https://learn.microsoft.com/fr-fr/office/troubleshoot/activation/another-account-already-signed-in

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