dom.disable_window_open_feature.menubar

dom.disable_window_open_feature.menubar

Supported on: Windows 10
Registry HiveHKEY_LOCAL_MACHINE
Registry PathSoftware\Policies\Mozilla\lockPref
Value Namedom.disable_window_open_feature.menubar
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

mozilla.admx

Administrative Templates (Computers)