Do not expand distribution lists

This policy setting controls whether Outlook 2007 users can expand distribution lists when addressing e-mail messages.

If you enable this policy setting, Outlook 2007 users cannot expand distribution lists.

If you disable or do not configure this policy setting, when Outlook 2007 users add a distribution list to the To, CC, or BCC fields of an e-mail message or other item, they can expand the distribution list to see the e-mail addresses of everyone in the list.

Supported on: At least Windows Vista
Registry HiveHKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Mail
Value NameDisableDLExpansion
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

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