A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
For an account protected by Microsoft Authenticator where no code is available and no SMS/email options are configured, the account cannot be recovered or unlocked through normal self-service flows. Support agents also cannot bypass or override the second factor for security reasons.
If this is a work or school account:
- Contact the organization’s IT/help desk and ask them to reset the multi-factor authentication (MFA) settings for the account in the Microsoft Entra admin center by using Require re-register multifactor authentication on the user. After this, sign-in will prompt to set up Authenticator again with a new QR code.
- If this is an admin account and there are other admins, ask another global admin to perform the same MFA reset.
- If this is the only administrator on the tenant, the Microsoft Data Protection team must be involved. Use the regional Microsoft customer service phone number (see “Customer service phone numbers - Microsoft Support”) and clearly state:
- Using Office 365 for business / company account
- Locked out as the only administrator
- Need Data Protection team to reset MFA for the tenant admin.
If this is a personal Microsoft account with 2FA and no working second factor (no Authenticator code, SMS, or email):
- The account recovery form cannot bypass 2FA. If none of the configured methods are accessible and Authenticator cannot provide a usable code, access to the account cannot be restored.
In all cases, do not keep retrying or adding methods in loops inside Authenticator; recovery must be done by an admin (for work/school) or via the existing, working security info on the account.
References:
- Troubleshoot problems with Microsoft Authenticator
- Authentication did not complete
- Common problems with two-step verification for a work or school account
- Microsoft authenticator sending me into a spiral - Microsoft Q&A
- Unable to change password in my Outlook - Microsoft Q&A
- I have a Micrsoft business account and I am the admin and the only user registered under this account. I can't log in because i have replaced my phone and the authenticator doesn't work. - Microsoft Q&A
- Requesting a Tenant Admin MFA Reset - Microsoft Q&A