If your Microsoft Authenticator app is not working or displaying code for the accounts, then follow the suggestions to fix the issue using multiple methods.

Passwords won't work in the Authenticator app, but there are some alternatives worth exploring before it's too late.

Open the Microsoft Authenticator app on your new phone. Tap the “+” button to add an account. Choose how you want to add the account (e.g., scanning a QR code, entering a setup key).

Microsoft has announced that any payment information stored in the Authenticator app will be deleted after July 2025, requiring users to manually re-enter this data if needed.