Microsoft Authenticator is a mobile app that helps you sign in to your accounts without using a password. Learn how to install, add accounts, and access the app on iOS and Android devices. Use Microsoft Authenticator for secure sign-ins with multi-factor authentication, passwordless, or password autofill. Manage your Microsoft personal, work or school accounts and other non-Microsoft accounts with the app . The Google Authenticator app can generate one-time verification codes for sites and apps that support Authenticator app 2-Step Verification. If you set up 2-Step Verification, you can use the Google Microsoft Authenticator is a versatile app that enhances your security by providing two-factor authentication (2FA) for various Microsoft services and other compatible apps . This guide will walk you through setting up and using Microsoft Authenticator on both your phone and your PC, ensuring you’re protected from unauthorized access. We’ll cover everything from initial setup to troubleshooting common issues, making the process simple and straightforward. How Can I Secure My Accounts with ...