Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation.
8,258 questions
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I am having problem with authenticator. I want my cellphone number included to my account as authenticator. However I cant do that for some reason.
The authenticator app is an alternative to a cell phone number. You add your cell phone as an alternative on your account setting. For a Microsoft account its
see security settings.