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TargetBlankImpliesNoOpener

  • Article

Do not set window.opener for links targeting _blank (obsolete)

OBSOLETE: This policy is obsolete and doesn't work after Microsoft Edge version 102.

Supported versions

  • On Windows and macOS since 88, until 102

Description

If you enable this policy or leave it unset, the window.opener property is set to null unless the anchor specifies rel="opener".

If you disable this policy, popups that target _blank are permitted to access (via JavaScript) the page that requested to open the popup.

Supported features

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

Data type

  • Boolean

Windows information and settings

Group Policy (ADMX) info

  • GP unique name: TargetBlankImpliesNoOpener
  • GP name: Do not set window.opener for links targeting _blank (obsolete)
  • GP path (Mandatory): Administrative Templates/Microsoft Edge
  • GP path (Recommended): N/A
  • GP ADMX file name: MSEdge.admx

Example value

Disabled

Registry settings

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

Example registry value

0x00000000

Mac information and settings

  • Preference Key name: TargetBlankImpliesNoOpener
  • Example value:
<false/>

See also