A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
To remove that old school account from Microsoft Authenticator, remove it directly in the app. If the remove option is not obvious, all accounts can be cleared by resetting the app data.
To remove a single account from Authenticator:
- Open the Microsoft Authenticator app.
- Select the old school account in the list.
- Tap the Settings gear for that account.
- Tap Remove account and confirm.
If that still does not show a remove option, clear all Authenticator data on the device (this removes every account in the app and stops the device from verifying sign-ins until accounts are re-added):
On Android
- Open the device Settings app.
- Go to Apps.
- Find and select Authenticator.
- Tap Storage or Storage & cache.
- Tap Clear data, then OK.
On iOS
- Open the device Settings app.
- Go to General > Storage.
- Select Authenticator.
- Tap Offload App.
Important: Clearing data/offloading removes all accounts from Authenticator and there is no undo. Make sure any other important accounts in Authenticator are backed up or have alternate sign-in methods before doing this.
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