MFA & Verification Issues

How to Recover Microsoft Authenticator Codes from an Old Traded-in iPhone

Maira Mehtab Sep 28, 2026 869 views

Question details

The user needs to recover Microsoft Authenticator accounts and 2FA codes on a new device after trading in an old iPhone without enabling cloud backup first.

Product: Microsoft Authenticator
Device & OS: iPhone / iOS
Scenario: A user traded in their old iPhone before transferring Microsoft Authenticator accounts or setting up a cloud backup, resulting in being locked out of accounts requiring two-factor authentication.
Observed behavior: Authenticator codes do not automatically transfer to the new device via standard Apple migrations because the in-app cloud backup was not manually enabled, leaving the user unable to generate verification codes.

Before you start

Gather a list of all the online services and accounts that were linked to your Microsoft Authenticator app, and check if you saved the offline recovery codes provided by those services when you initially set up 2FA.

Solution 1Recommended

Request Authentication-Method Resets for Each Account

Since local codes cannot be extracted from a wiped or traded-in device without a backup, you must manually recover access to each linked account through alternative verification methods or administrator support.

Microsoft Authenticator codes are stored locally on your device's secure enclave for privacy and security. If the device was wiped or traded in without first toggling on iCloud backup within the Authenticator app, those specific tokens are permanently destroyed.

To regain access, you must bypass the Authenticator prompt for each individual account.

Contact IT Administrators (For Work or School Accounts)

If you are locked out of an organizational account, contact your company's or school's IT helpdesk. Request that they revoke your old device in the admin portal and require a re-registration for Multi-Factor Authentication (MFA). Once they do this, you can scan a new QR code on your new iPhone.

Use Alternate Sign-in Methods (For Personal Accounts)

Go to the login page of your personal account (e.g., Microsoft, Google, Facebook). When prompted for the Authenticator code, click the 'Try another way to sign in' or 'I don't have my authenticator app' link. Follow the prompts to verify your identity using a backup email address or SMS text message.

Use Saved Recovery Codes

If you cannot use alternate sign-in methods, locate the one-time backup recovery codes you were given when you first enabled 2FA for the service. Enter one of these codes on the login screen to bypass the app requirement.

Set Up Cloud Backup on the New iPhone

After regaining access to your accounts and re-adding them to the Microsoft Authenticator app on your new iPhone, open the app, tap the menu icon, select 'Settings', and toggle on 'iCloud Backup'. This ensures your accounts can be easily restored if you change devices in the future.

Microsoft Account Recovery: For personal Microsoft accounts, if all alternative methods fail, you may need to fill out the official Microsoft Account Recovery form at account.live.com/acsr to prove your identity.

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Frequently Asked Questions

Can I recover Microsoft Authenticator without my old phone?

Yes, but only if you previously enabled the 'iCloud Backup' or 'Cloud Backup' feature within the Microsoft Authenticator settings before losing access to the old phone. If you did not, the codes cannot be recovered, and you must re-register your accounts.

Does an iOS iPhone backup automatically save Authenticator codes?

No. A standard iCloud device backup or iTunes backup does not include the secure 2FA tokens. You must specifically turn on the backup feature inside the Microsoft Authenticator app's own settings menu.

How do I restore Microsoft Authenticator on a new phone if I have a backup?

Install Microsoft Authenticator on your new device. Before adding any accounts, tap 'Begin Recovery' at the bottom of the screen. Sign in to the personal Microsoft account you used for the backup, and your credentials will be restored.

Login & Account Issues