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Use Authenticator for two-step verification for Microsoft accounts (personal, work, and school), as well as non- Microsoft accounts. After installing the Authenticator app on your Android or iPhone, enable two-step verification or passwordless login in your preferred service. To add an account, tap + in the app, select an account type, and then scan the QR code. Microsoft Authenticator is your key to easy and secure sign-ins. Whether you're accessing your Microsoft account, workplace apps, or other services with two-factor authentication (2FA), this app makes verification fast and reliable. Learn how to use Authenticator to sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless. Find out how to sign in from another device, how to sign out, and what to expect from July and August 2025 updates. Microsoft Authenticator also supports cert-based authentication by issuing a certificate on your device. This will let your organization know that the sign-in request is coming from a trusted device and help you seamlessly and securely access additional Microsoft apps and services without needing to log into each.
