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

Use Microsoft Authenticator for easy, secure sign-ins for all your online accounts using multi-factor authentication, passwordless, or password autofill. You also have additional account …

Dec 15, 2025 · Two factor authentication (2FA or TFA) is easy, convenient, and secure when you use Microsoft Authenticator. Use your phone, not your password, to log into your Microsoft …

Jul 10, 2025 · Authenticator apps are a multi-factor authentication (MFA) method for encrypting your online login credentials. Stay protected with the best MFA apps we've tested.

Jul 23, 2025 · Want your accounts to stop being easy targets? These are the best authenticator apps of 2025, tested on actual devices by a real person.

Aug 10, 2025 · The best free authenticator apps make account security simple while protecting your personal information from hackers. There are several good authenticator options that …

Protect your personal and business data from outside breaches by securely logging into any account with the Microsoft Authenticator app.

License The Google Authenticator app for Android was originally open source, but later became proprietary. [11] Google made earlier source for their Authenticator app available on its GitHub …

Before you can use Authenticator as a way to sign in, you need to download the app and have already added Authenticator to your accounts. Starting July 2025, the autofill feature in …

What is an authenticator app? An authenticator app is a software tool that can be installed on a smartphone, computer or tablet to help implement multi-factor authentication (MFA) and …