DefaultItemType Property

Microsoft Outlook Visual Basic

Returns an OlItemType constant indicating the default Outlook item type contained in the folder. Read/write for the Results object; read-only for the MAPIFolder object.

OlItemType can be one of these OlItemType constants.
olAppointmentItem
olContactItem
olDistributionListItem
olJournalItem
olMailItem
olNoteItem
olPostItem
olTaskItem

expression.DefaultItemType

expression     Required. An expression that returns one of the objects in the Applies To list.