Automatically show the Outlook Attachment pane when adding attachment

Checked: Displays the Outlook Attachment Pane automatically when the user adds an attachment to a message. | Unchecked: Does not display the Outlook Attachment Pane automatically when the user adds an attachment to a message.

Supported on: At least Windows Vista
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\14.0\common\mailsettings
Value Namesharingoptionscount
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

outlk14.admx

Administrative Templates (Users)