This policy setting allows you to turn off tabbed browsing and related entry points from the Internet Explorer user interface. ...

This policy setting allows you to turn off tabbed browsing and related entry points from the Internet Explorer user interface.

If you enable this policy setting, tabbed browsing and related entry points will be disabled for Internet Explorer, and this setting cannot be changed by the user.

If you disable this policy setting, tabbed browsing and related entry points will appear in the user interface for Internet Explorer and this setting cannot be changed by the user.

If you do not configure this policy setting, the user will be able to enable or disable tabbed browsing.