Enable sidebar customize
Supported on: Microsoft Edge version 122, Windows 7 or later
Registry
HKLM
Software\Policies\Microsoft\Edge HKCU
Software\Policies\Microsoft\Edge Value name: EdgeSidebarCustomizeEnabled
Enabled: EdgeSidebarCustomizeEnabled = 1
Disabled: EdgeSidebarCustomizeEnabled = 0
Description
Allow/Disallow to use sidebar customize. If you enable or don't configure this policy, users can access sidebar customize. If you disable this policy, users won't be able to access the sidebar customize.