Though you can always choose a premade template, you may want to customize your PowerPoint slide backgrounds manually. You can add a custom background to one or more slides, and you'll also have the ...
You can create your own PowerPoint templates, which you can then open later and use. To create a PowerPoint template, create a new presentation and edit it however you like, and then save it as a ...
Microsoft PowerPoint allows you to combine two or more presentations with different theme templates. PowerPoint includes a Keep Source Formatting option that retains the template format for each slide ...