Do not expand Contact Groups

This policy setting controls whether Outlook users can expand Contact Groups when addressing e-mail messages.

If you enable this policy setting, Outlook users cannot expand Contact Groups.

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

Supported on: At least Windows 7
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\15.0\outlook\options\mail
Value Namedisabledlexpansion
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

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