Outlook 2013 Im Auftrag gesendete Emails in gesendete Objekte des Postfachs speichern

In case you want to have a delegated sent email not in your personal sent item folder but in the sent item folder of user you are sending

Open regedit

HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Preferences

Dword 32bit

DelegateSentItemsStyle

value=1