True to print envelopes using the envelope printing options. Read/write Boolean.
expression.UseEnvelopePrintOptions
expression Required. An expression that returns one of the objects in the Applies To list.
This example sets Microsoft Publisher's envelope printing options.
Sub SetEnvelopeOptions()
With Options
.UseEnvelopePrintOptions = True
.UseEnvelopePaperSizes = True
End With
End Sub