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

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

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.

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 …

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

Microsoft Authenticator can be used not only for your Microsoft account, and work or school accounts, you can also use it to secure your Facebook, Twitter, Google, Amazon, and many …

By setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in. For example, you first enter your password and, when prompted, you also type a dynamically …

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 …

Open the app, go to the app's top-level menu, and then select Send feedback. After that, contact Support or go to the Microsoft Authenticator app forum and explain the problem you're seeing …

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 authenticate using your device PIN or …