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Azure Active Directory part of Microsoft Entra.Complete the account recovery process and tap OK.

Or, authenticate the recovery account via an alternative MFA (multi-factor authentication) method such as email, SMS, or password.

Enter the verification code you receive on your old mobile device.

Enter the recovery account email address linked to your Microsoft Authenticator backup.

Tap Begin Recovery (scroll down if you don’t see the option).

Open the Microsoft Authenticator app, agree to its license terms, and skip any prompts to sign in.

Download Microsoft Authenticator from the Apple App Store or Google Play Store.

That is not an issue on Android-you can use a different Google Account if you want. If you’re moving to a new iPhone, make sure to sign into the device with the same Apple ID as your old iPhone. Do not remove any accounts or the app from the old phone yet. You’re ready to transfer your Microsoft Authenticator data to your new phone. Transfer Microsoft Authenticator to the New Phone Note: If you have trouble backing up Microsoft Authenticator on an iPhone, open the Settings app for iOS, tap Apple ID > iCloud, and ensure that the switch next to Authenticator is active.

Windows 10 authenticator app