You may refer to the article: https://support.microsoft.com/en-us/account-billing/restore-account-credentials-from-microsoft-authenticator-ce53096e-1e1c-4840-9e32-1618bc33cd43
- Sign in to your iCloud account. This is where the credentials are stored.
- On your mobile device, open Authenticator, and select Begin recovery. Important: Select the Begin recovery link before signing in.
- Sign in to your recovery account using the personal Microsoft account you used during the backup process. Your account credentials are recovered to the new device.
- On your mobile device, open Authenticator, and select Begin recovery. Important: Select the Begin recovery link before signing in.
- Sign in to your recovery account using the personal Microsoft account you used during the backup process. Your account credentials are recovered to the new device.
Important:
- Do not sign in before restoring account credentials. If you have signed in, sign out before proceeding with account recovery.
- You can only back and restore on the same device type: i.e. accounts backed up using an iOS device cannot be restored on an Android device.