Azure Active Directory B2C documentation

Azure Active Directory B2C (Azure AD B2C) is a customer identity access management (CIAM) solution that enables you to sign up and sign in your customers into your apps and APIs. Your customers use their preferred social, enterprise, or local account identities to get single sign-on access to your applications. Learn how to use Azure AD B2C with our guide, tutorials, and code samples.

Quick access to Azure AD B2C documentation

Get quick access to our guides and tutorials for your most common scenarios.

Use Microsoft Authentication Libraries (MSAL) for easy app integration

GitHub hosts the open-source Microsoft Authentication Library (MSAL). Microsoft builds and supports MSAL. We recommend MSAL for any app type that uses Azure AD B2C for authentication and authorization.