A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
For a personal Microsoft account, the supported paths are:
- Try the sign-in helper tool. It checks the account details provided and tells what action is available for the account.
- If the sign-in flow offers another verification method, use it instead. Blocks can sometimes affect only one method. Switching methods or switching between Wi‑Fi and cellular can help.
- If the issue is a temporary Authenticator failure such as the
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- Open Microsoft Authenticator and confirm it opens normally and the account is listed.
- Update Microsoft Authenticator from the device app store.
- Restart the iPhone.
- If the issue continues, send logs from Authenticator using Send feedback.
- If the sign-in prompt is asking for a code from Outlook mobile, Outlook can display a one-time code only if Sign-in requests is enabled for that account in Outlook mobile:
- Open Outlook.
- Tap Home.
- Tap Settings.
- Under General, tap Accounts and select the account.
- Tap Sign-in requests.
- Use the displayed code, or turn on Allow sign-in requests if it was removed.
- If no alternative method is available and the old device is no longer accessible, there is no documented self-service way in the provided guidance to force the prompt to a different old device. For work or school accounts, the documented action is to contact the organization’s IT help desk or admin to clear or reset MFA settings. For personal accounts, use Microsoft Support or the sign-in helper.
Important:
- Do not approve or respond to prompts that were not initiated.
- Support agents are not allowed to send password reset links or change account details directly.
For the complaint request, no formal complaint channel is provided in the available guidance. The available support path is Contact Microsoft Support.
- Can't sign in to the Outlook mobile app
- Troubleshoot Microsoft verification code issues
- Troubleshoot problems with Microsoft Authenticator
- Using Outlook mobile to sign in
- Using Outlook mobile to sign in
- Using Outlook mobile to sign in
- Common problems with two-step verification for a work or school account