Don’t set up any accounts using Microsoft Authenticator until after you’ve used the Recovery tool because it will overwrite matching site accounts.įor example, say you set up 2FA on the Gmail account in Authenticator on your new phone. Download it from the Google Play for Android or the Apple App Store for iPhone. Next, you’ll need to install Microsoft Authenticator on your new phone. Using the Recovery Option on Your New Phone A detailed explanation of the backup and storage process is available if you want to dive a little deeper. It then hashes the data using SHA-512, and adds it to the JWE before storing the whole file and Key ID in your account. Your account and usernames, verification code, and various metadata, such as the time at which the backup was created, will all be included.Īuthenticator creates an encrypted JSON Web Encryption blob (JWE) file using AES-256. If you’re concerned about what’s actually backed up, it’s pretty straightforward.

iPhones also require that you have an iCloud account.

Your accounts will then be backed up to the Microsoft account you used when you first set up Microsoft Authenticator. In the “Backup” section, toggle-On “Cloud Backup” on an Android phone, or “iCloud Backup” on an iPhone.

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