_MailItem.SenderName Property (Microsoft.Office.Interop.Outlook)
Office 2007
Returns a String (string in C#) indicating the display name of the sender for the Outlook item. Read-only.
Namespace: Microsoft.Office.Interop.Outlook
Assembly: Microsoft.Office.Interop.Outlook (in microsoft.office.interop.outlook.dll)
Assembly: Microsoft.Office.Interop.Outlook (in microsoft.office.interop.outlook.dll)
This property corresponds to the MAPI property PR_SENDER_NAME.
If you wish to retrieve the fully qualified e-mail address of the sender, use the SenderEmailAddress property.