Answer: Many of the PowerPoint templates have graphics and elements set in the Video demo: Watch our video demo for editing PowerPoint Master Slides. Modify your PowerPoint templates with Masters. What is a template master?. You probably know that you can apply pre-made PowerPoint Templates to a presentation with a click, but what if you want to modify the theme. If you wish to keep the design you created using masters for use in future presentations, you must save it as a template. Browse Poststr heidelberg Templates One Page CSS Templates Expression Web Templates Dreamweaver Templates Website Templates Tables-based Templates Expression Web Templates FrontPage Templates Dreamweaver Templates Website Templates Platform Templates Sharepoint Templates Prostores Templates PixelMill Media PowerPoint. The slide design that is behind the scenes when you create a new slide and places the boxes in the slide design is ac casino auszahlung known as Master Template. Your previously blank presentation will now have the theme that you created in your master slides. The slide master controls general formatting for the entire presentation, and the layout masters below it control formatting for the specific layouts. It may not look or work correctly on your browser. Looking for something to help kick start your next project?