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BlockExternalExtensions

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Blocks external extensions from being installed

Supported versions

  • On Windows and macOS since 88 or later

Description

Control the installation of external extensions.

If you enable this setting, external extensions are blocked from being installed.

If you disable this setting or leave it unset, external extensions are allowed to be installed.

External extensions and their installation are documented at Alternate extension distribution methods.

Supported features

  • Can be mandatory: Yes
  • Can be recommended: No
  • Dynamic Policy Refresh: No - Requires browser restart
  • Per Profile: Yes
  • Applies to a profile that is signed in with a Microsoft account: No

Data type

  • Boolean

Windows information and settings

Group Policy (ADMX) info

  • GP unique name: BlockExternalExtensions
  • GP name: Blocks external extensions from being installed
  • GP path (Mandatory): Administrative Templates/Microsoft Edge/Extensions
  • GP path (Recommended): N/A
  • GP ADMX file name: MSEdge.admx

Example value

Enabled

Registry settings

  • Path (Mandatory): SOFTWARE\Policies\Microsoft\Edge
  • Path (Recommended): N/A
  • Value name: BlockExternalExtensions
  • Value type: REG_DWORD

Example registry value

0x00000001

Mac information and settings

  • Preference Key name: BlockExternalExtensions
  • Example value:
<true/>

See also