You will need a few extra lines for that:
Sub SendOnMessage(olItem As Outlook.MailItem) Dim olOutMail As Outlook.MailItem Dim olInsp As Outlook.Inspector Dim wdDoc As Object Dim oRng As Object Set olOutMail = olItem.Forward With olOutMail .To = "someone@somewhere.com" .Subject = "HC" .Display Set olInsp = .GetInspector Set wdDoc = olInsp.WordEditor Set oRng = wdDoc.Range(0, 0) oRng.Text = "Message was sent from: " & olItem.SenderEmailAddress .sEnd End With lbl_Exit: Exit Sub End Sub