users already sign in to Office 365 with Azure Active Directory


of Fortune 500 companies have data in Microsoft Graph


identities authenticated each year
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Secure your application​

Build secure authentication into your application and give your customers who use a Microsoft personal or work account the advanced security and access controls. Comply with existing IT policies and allow enterprises to use multi-factor authentication, identity protection, conditional access, and more.

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Create powerful apps

Connect to Microsoft Graph to build apps, services, or workflows for Microsoft 365 organizations and consumers. Build on a platform that gives you access to powerful data and functionality through a single endpoint. Streamline new user onboarding, assign managers, grant permissions to documents, add users to roles, and more.

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Customer identity and access management​

Provide easy sign up, sign in, and customize the user journey to meet business goals with Azure Active Directory B2C. Azure Active Directory B2C offers the same scale, reliability, and availability for your applications that is used for Azure Active Directory.

Integrate with ease

Your platform and language

Find SDKs for Windows, iOS, Android, .NET, JavaScript and more.

Industry standards

Support for SAML 2.0, OpenID Connect, and OAuth 2.0 protocols and standards.

Trusted and reliable

Azure datacenters are globally distributed with 99.9% uptime SLA.

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Over 700K applications are using the Microsoft identity platform to sign in users.