The best PowerPoint template depends on your mission and needs. You can always use a multipurpose template, but if your business, service, or product has a particular theme, take a look at those ...

Open the PowerPoint file you'd like to save as a template and make any changes to the slides that you need to. Click on the "File" menu when you are satisfied with the presentation's appearance.

Of course there is -- by adding some new templates. Microsoft has generously provided over 150 free PowerPoint templates you can download today. The templates are divided into a half-dozen categories.