> For the complete documentation index, see [llms.txt](https://docs.intunemacadmins.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.intunemacadmins.com/platform-single-sign-on-psso/platform-single-sign-on.md).

# 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?**](/platform-single-sign-on-psso/what-is-psso.md) — Authentication methods, security, and user experience explained.
* [**Configure PSSO**](/platform-single-sign-on-psso/configure-psso.md) — Step-by-step setup, best practices, and troubleshooting tips.
* [**Browser PSSO**](/platform-single-sign-on-psso/browser-sso.md) — Configure Platform SSO for Google Chrome and Mozilla Firefox.
* [**Insights**](/platform-single-sign-on-psso/insights-psso.md) — Security considerations and Secure Enclave vs. Password methods.


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