Microsoft Entra External IDMicrosoft Entra External ID enables cross-company collaboration by managing users, security, and access policies. It integrates Active Directory for B2B, supports single sign-on, and enhances security with multi-factor authentication. Users value its centralized management, unified functionalities, and adaptive authentication. Cost and integration with open-source software are areas for improvement.
We don't pay separately for Microsoft Entra External ID as it's part of our Microsoft Exchange subscription.