The Hide on feature allows you to prevent a piece of content from appearing in either a Desktop or Mobile environment.
To hide content in the Email Editor, click on the piece of Content that you would like to hide to pull up the "Content Properties" tab.
Scroll all the way down and look for the Hide on area.
Select the environment in which you do not want that content to appear.
- Tip: Use the Preview option at the top of the template to view a rendering of the piece in both a Desktop and Mobile environment.