ContactItem.LastName Property (Outlook)
Returns or sets a String representing the last name for the contact. Read/write.
Syntax
expression .LastName
expression A variable that represents a ContactItem object.
Remarks
This property is parsed from the FullName property, but may be changed or entered independently should it be parsed incorrectly. Note that any such changes or entries to this property will be overwritten by any subsequent changes of entries to FullName.