Microsoft Entra External ID documentation

With Microsoft Entra External ID, formerly known as Azure Active Directory (Azure AD) External Identities, you can collaborate with partners and guests (B2B) or add customer identity and access (CIAM) management to your customer-facing apps.

Microsoft Entra External ID for partners (B2B)

Overview

Learn basic B2B concepts and processes.

Quickstarts by app type in the customer tenant

Mobile app

App with a native user interface that runs on a mobile device.