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

This is called two-step verification or multi-factor authentication. As the only way to sign in - just tap an approval on your phone to sign in. This is called going passwordless. Just follow the …

Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.

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.

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

If your organization supports two-factor verification or multi-factor authentication sign-in, you can set up your work or school accounts to use Authenticator as one of the verification methods.

Aug 29, 2025 · Cause Windows updates released on and after August 29, 2025 include added security protections that enforce checks on SIDs, causing authentication to fail when devices …

Two-step verification (sometimes called multi-factor authentication) helps protect you by making it more difficult for someone else to sign in to your Microsoft account.

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 …

This articles contains information for customers who need to provide multi-factor authentication to help ensure their online purchases are secure.