You must still verify your identity by providing a thing you know and a thing you have, but phone sign-in lets you skip entering your account password and performs all of your identity verification on your mobile device.īefore you can turn on phone sign-in, you must turn on two-factor verification. Phone sign-in is a type of two-step verification. Turn on phone sign-in for work or school accounts For the detailed steps, see Add your work or school account, Add your personal accounts, and Add your non-Microsoft accounts.

If you haven't done this yet, see Download and install the app.Īdd your work/school, personal, and third-party accounts to the Microsoft Authenticator app. Prerequisitesīefore you can use the Microsoft Authenticator app, you must:ĭownload and install the Microsoft Authenticator app. Your non-Microsoft accounts require you to use the standard two-factor verification process. Important: This phone sign-in method only works with your work or school and personal Microsoft accounts.

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