Microsoft Authenticator Website Full Guide (2026)

The Microsoft Authenticator, while primarily a mobile application, integrates deeply with Microsoft's web-based identity management portals. This web interface allows users to manage their registered Authenticator instances, set up new devices for multi-factor authentication (MFA), and configure advanced security features like passwordless sign-in for their Microsoft accounts and Azure Active Directory (AAD) identities. The browser-first workflow for managing Authenticator ensures that users can self-service their security settings, recover access, or provision new devices without direct IT intervention, directly from their preferred web browser. This is critical for maintaining robust access control across the Microsoft ecosystem.