Microsoft Security | Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
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Email accounts was connected to a Authenticator, the authenticator was removed but the email still prompts for codes
If your email account is still prompting for codes after the Microsoft Authenticator app has been removed, it may be due to the two-factor authentication (2FA) settings still being active. Here are some steps you can take to resolve the issue:
If these steps do not resolve the issue, contacting Microsoft support directly may be necessary to help you regain access to your account without the authenticator app.