Fix Microsoft Authenticator Autofill Stuck on Complete Setup on iPhone
Question details
Users experience Microsoft Authenticator Autofill getting stuck on the 'Complete Setup' prompt after migrating to a new iPhone.

- Product
- Microsoft Authenticator
- Device & OS
- iOS
- Scenario
- Transferring Microsoft Authenticator and saved passwords to a new iPhone.
- Observed behavior
- The Autofill feature remains stuck on 'Complete setup' and fails to populate passwords, typically due to missing permissions, iCloud Keychain sync issues, or incomplete account registration.
Ensure both your iPhone's iOS and the Microsoft Authenticator app are updated to the latest versions from the App Store before adjusting system password settings.
Configure iPhone Password Options and Complete App Registration
Manually re-select Microsoft Authenticator as your designated Autofill provider in iOS settings and ensure your account is fully registered in the app.
When switching to a new iOS device, third-party password autofill permissions are often reset for security reasons. You must re-authorize Microsoft Authenticator in your device settings.
Open the Microsoft Authenticator app on your new iPhone and complete any pending account registration or verification prompts on the main screen.
Open your iPhone's 'Settings' app and scroll down to tap on 'Passwords'.
Tap on 'Password Options' and toggle the switch for 'AutoFill Passwords' to the 'On' position.
Under the 'Allow Filling From' section, select 'Authenticator' (Microsoft Authenticator). You may deselect others if you want it to be your primary provider.
Return to the main Settings menu, tap your Apple ID profile at the top, select 'iCloud', tap 'Passwords and Keychain', and ensure 'Sync this iPhone' is enabled.
Restart your iPhone, then attempt to sign in to a website or app to test if the Autofill prompt appears correctly.

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Frequently Asked Questions
Why is my Microsoft Authenticator Autofill stuck after changing iPhones?
When migrating to a new iPhone, security permissions, iCloud Keychain sync states, or Autofill provider selections often reset. The Authenticator app requires manual re-authorization in iOS settings to resume filling passwords securely.
How do I enable Autofill for Microsoft Authenticator on iOS?
Go to your iPhone Settings > Passwords > Password Options. Turn on 'AutoFill Passwords' and check Microsoft Authenticator under the 'Allow Filling From' list.
What if the Microsoft Authenticator Autofill still doesn't work after restarting?
Try signing out of the Authenticator app and signing back in. If the issue remains unresolved, you may need to consult the Microsoft Q&A community for advanced MFA troubleshooting, as this can be a known issue with the app's synchronization.




