The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

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.

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

Learn how to add all your different accounts to the Microsoft Authenticator app.

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 …

Conveniently and securely sign in to all your online accounts using multifactor authentication, passwordless sign-in or password autofill with Microsoft Authenticator.

What is Microsoft Authenticator lock? App Lock helps keep your one-time verification codes, app information, and app settings more secure. When App Lock is enabled, you'll be asked to …

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn how to set up your user account for multifactor authentication with Microsoft 365.

When you sign into the account for the first time on a new device or app (like a web browser) you need more than just the username and password. You need a second verification method - what we call a …