Control which extensions cannot be installed

Lets you specify which extensions the users CANNOT install. Extensions already installed will be disabled if blocked, without a way for the user to enable them. After a disabled extension is removed from the blocklist it will automatically get re-enabled. A blocklist value of '*' means all extensions are blocked unless they are explicitly listed in the allowlist. If this policy isn't set, the user can install any extension in Microsoft Edge. Starting in Microsoft Edge version 149, the 'Microsoft365CopilotChatIconEnabled' (Control whether Microsoft 365 Copilot Chat shows in the Microsoft Edge for Business toolbar) policy controls the display of Copilot in the toolbar. Example value: extension_id1 extension_id2