Prevent indexing e-mail attachments

Supported OS tags: WindowsVista

Enable this policy setting to prevent the indexing of the content of e-mail attachments. If enabled, indexing service components (including non-Microsoft components) are expected not to index e-mail attachments. Consider enabling this policy if you are concerned about the security or indexing performance of non-Microsoft document filters (iFilters). This policy is disabled by default.

This policy has no additional user input fields.

• Computer
  Add primary intranet search location

  Microsoft Windows XP, or Windows Server 2003 with Windows Search version 3.01 or later
• Computer
  Add secondary intranet search locations

  Microsoft Windows XP, or Windows Server 2003 with Windows Search version 3.01 or later
• Computer
  Allow Cloud Search

  At least Windows Server 2016, Windows 10
• Computer
  Allow Cortana

  At least Windows Server 2016, Windows 10
• Computer
  Allow Cortana above lock screen

  At least Windows Server 2016, Windows 10
• Computer
  Allow Cortana Page in OOBE on an AAD account

  At least Windows Server 2016, Windows 10
• Computer
  Allow indexing of encrypted files

  Microsoft Windows Vista, or any version of Windows with Windows Search 4.0 or later
• Computer
  Allow search and Cortana to use location

  At least Windows Server 2016, Windows 10
• Computer
  Allow search highlights

  At least Windows Server 2016, Windows 10
• Computer
  Allow use of diacritics

  Microsoft Windows Vista, or any version of Windows with Windows Search 3.01 or later
• Computer
  Always use automatic language detection when indexing content and properties

  Microsoft Windows 8 or later
• Computer
  Configures search on the taskbar

  At least Windows 11