Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
How to add your accounts to Microsoft Authenticator
Learn how to add all your different accounts to the Microsoft Authenticator app.
Sign in using Microsoft Authenticator - Microsoft Support
Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.
Set up your Microsoft 365 sign-in for multi-factor authentication
Learn how to set up your user account for multifactor authentication with Microsoft 365.
What is: Multifactor Authentication - Microsoft Support
You open the app on your smartphone, it shows you a unique, dynamically created 6-digit number that you type into the site and you're in. If somebody else tries to sign in as you, however, they'll enter …
About Microsoft Authenticator - Microsoft Support
Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.
Use Microsoft Authenticator with Microsoft 365
If your organization is using multi-factor authentication (MFA) for Microsoft 365, the easiest verification method to use is the Microsoft Authenticator smart phone app. It's just one click instead of typing in a …
Set up multi-factor authentication for Microsoft 365
Multi-factor authentication (MFA) helps you to access your accounts more securely. It's a way to prove that you are who you say you are. Because passwords can be forgotten, stolen, or compromised, …
How to use two-step verification with your Microsoft account
What is two-step verification in Microsoft accounts? Two-step verification (sometimes called multi-factor authentication) helps protect you by making it more difficult for someone else to sign in to your …
Set up a phone call as your verification method - Microsoft Support
Security verification versus password reset authentication Security info methods are used for both two-factor security verification and for password reset. However, not all methods can be used for both.