How to Print 9x12 Envelopes

1. Open your word processing program.
2. Go to the “File” menu and click “Print.”
3. Click the “Properties” or “Preferences” button.
4. Select “Custom” under “Page Size.”
5. Type “9” under “Width” and “12” under “Length.”
6. Click “OK” on the current window and “Print” on the window behind it.