Envelope.ReturnAddress (Word)
Devuelve un objeto Range que representa el remite.
Si se utiliza esta propiedad antes de agregar un sobre al documento, se produce un error.
On Error GoTo errhandler
addr = ActiveDocument.Envelope.ReturnAddress.Text
MsgBox Prompt:=addr, Title:="Return Address"
errhandler:
If Err = 5852 Then MsgBox _
"The active document doesn't include an envelope"