Creates a new document and inserts the envelope.
Inserts the envelope before the current page in the document.
Click into the envelope page to make it the current page.
Right-click the field on the status line that shows "Envelope".
A submenu opens showing some page styles.
Choose the "Default" page style from the submenu.
This removes the special "Envelope" page formatting.
Delete the frames for sender and recipient. Click the border of each frame and press the Del key.