The fact that it is quite integrated into the entire Microsoft environment makes it quite easy to use.
Microsoft Entra External ID offers ease of setup, generating unique IDs and keys quickly, while seamlessly integrating into the Microsoft ecosystem. It supports multi-year ID generation and provides robust guest application monitoring with valuable firewall capabilities. However, Microsoft's cost is often unpredictable, especially for enterprise-level needs, challenging medium-sized businesses. Technical support improvement is needed, along with faster synchronization and more affordable single sign-on for external applications.