Microsoft 365 will ask for your mobile number, then send you an SMS message containing a 6-digit code to verify your device. If you would rather use SMS messages sent to your phone instead, select I want to set up a different method. Reduce risk with the leader in data security Reduce risk of compromise with innovations in passwordless industry standards, led by Microsoft, a founding member of the FIDO2 alliance. If you don't have it installed there is a link provided to download it. Transform the security of your entry points with best-in-class passwordless authentication technology from Microsoft. If you have it installed on your mobile device, select Next and follow the prompts to add this account. The default authentication method is to use the free Microsoft Authenticator app.

The first layer of authentication is signing in with your email address. After you choose Sign in, you'll be prompted for more information. By setting up MFA, you add an extra layer of security to your Office 365 account. Sign in to Microsoft 365 with your work or school account with your password like you normally do. For example, you first enter your password and, when prompted, you also type a dynamically generated verification code provided by an authenticator app or sent to your phone.

Tip: Want to know more about multi-factor authentication? See What is: Multifactor authentication.īy setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in.

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