Disable customizing browser toolbar buttons: registry value NoToolbarCustomizeUserHKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

Policy ID

NoToolbarCustomize

Scope

User Configuration

Supported on

At least Internet Explorer 5.0

Source

Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)

Category

Windows Components › Internet Explorer › Toolbars

Registry