This example formats the first letter in the active document as engraved.
Set myRange = ActiveDocument.Characters(1)
With myRange.Font
.Size = 20
.Engrave = True
End With
This example formats the selection as engraved.
If Selection.Type = wdSelectionNormal Then
Selection.Font.Engrave = True
Else
MsgBox "You need to select some text."
End If