Platform Single Sign-On

Learn what Platform Single Sign-On (PSSO) is and how to configure it on macOS with Microsoft Intune for seamless, secure sign-in across apps and browsers.

Platform Single Sign-On (PSSO) lets macOS users sign in once with their Microsoft Entra ID credentials and gain seamless access across applications and browsers, while strengthening security through Secure Enclave or password-backed authentication. This section explains the concepts behind PSSO and provides step-by-step configuration guidance for IT administrators rolling it out with Intune.

Start with the conceptual overview, then move on to configuration, browser SSO, and field insights.

• What is PSSO? — Authentication methods, security, and user experience explained.
• Configure PSSO — Step-by-step setup, best practices, and troubleshooting tips.
• Browser PSSO — Configure Platform SSO for Google Chrome and Mozilla Firefox.
• Insights — Security considerations and Secure Enclave vs. Password methods.