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Authenticator app

John Johnston 0 Reputation points
2026-02-16T19:15:29.6633333+00:00

I changed my device and cannot use my Authenticator app

Microsoft Security | Microsoft Authenticator
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  1. Q&A Assist
    2026-02-16T19:15:38.04+00:00
    AI generated content. This question contains an answer created with AI from Q&A Assist. Learn more

    If you have changed your device and cannot use your Microsoft Authenticator app, you may be locked out of your accounts that require two-factor authentication (2FA). Here are some steps you can take to regain access:

    1. Alternative Sign-In Methods: If you have set up alternative sign-in methods (like SMS or email), try using those to log in.
    2. Contact Admin: If you are part of an organization, contact your IT administrator. They can reset your multifactor authentication (MFA) settings, allowing you to set up the Authenticator app again.
    3. Microsoft Support: If you are the only admin in your organization, you may need to contact Microsoft support for help in regaining access to your account. They have processes in place to verify your identity and help you recover your account.
    4. Re-register MFA: If you can access your account through a web browser, you might be able to disable 2FA temporarily or re-register your MFA methods through the account security settings.
    5. New Trial Tenant: In some cases, creating a new trial tenant can help you contact Microsoft support if you are unable to access your original account.

    Make sure to follow the appropriate steps based on your situation to regain access to your accounts.

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