Step 1: Click the “Design” step.
 
Step 2: Click the “Edit Envelope” section.
 
Step 3: Click the "Text" tab.

Step 4: Select the "Front" of your envelope. 

Step 5: Check the boxes next to the text you would like to display. To add a Standard Greeting for everyone, select this option instead, and enter your greeting in the white box. You can leave the box blank to eliminate text on the front of the envelope.