Easy sign in

Allow one click sign in for consumers who use Microsoft personal accounts and enterprises who use Microsoft work or school accounts powered by Azure Active Directory.

Reduce costs

Let the Microsoft identity platform handle the maintenance, administration, and infrastructure costs associated with managing username and passwords.

Enterprise ready

Powerful, reliable, and secure. Users can authenticate 24/7, with guaranteed 99.9% availability.

Standards based

Build using open standards such as SAML 2.0, OpenID Connect 1.0, OAuth 2.0, and WS-Federation authentication protocols.

Get started

App registration

Get started by registering your application.

Authentication libraries

Download our cross-platform authentication libraries.

Branding guidelines

Follow our visual and brand guidelines.

See what else you can do

Support single sign on

Reduce sign in friction and give users one-click access to your app or website with Azure AD.

Automate user provisioning

Automatically create, maintain or remove user accounts for your app or website within an organization with Azure AD.