+### WindowsSSO
+Allow Windows single sign-on for Microsoft, work, and school accounts.
+
+If this policy is set to true, Firefox will use credentials stored in Windows to sign in to Microsoft, work, and school accounts.
+
+**Compatibility:** Firefox 91\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** `network.http.windows-sso.enabled`
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\WindowsSSO = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/WindowsSSO
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "WindowsSSO": true | false
+ }
+}
+```