Display legacy GAL dialog
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\common\contactcard Value name: turnonlegacygaldialog
Enabled: turnonlegacygaldialog = 1
Disabled: turnonlegacygaldialog = 0
Description
This policy setting allows you to specify the way contact information is displayed. If you enable this policy setting the global address list (GAL) dialog is displayed instead of the Contact Card when users double click a contact in Outlook. If you disable or do not configure this policy setting the Contact Card is displayed when users double click a contact in Outlook.