What is Background?
.. Keynote Google Slides

You can download free PPT backgrounds from PPT-Backgrounds.net and use them in your own presentations. Feel free to browse our collection of free backgrounds for PowerPoint.
Microsoft PowerPoint backgrounds are a good option if you are prior to make presentations, you can enhance your presentations and impress your audience by using the right backgrounds and PowerPoint design or PowerPoint slide designs.
Using a catchy background will help the chances to make an effective presentation, improve your presentation skills while keeping your audience interested in your projects or in business presentations.
The best thing about our PowerPoint backgrunds is that the site is free and you don’t need to register in order to download any template.
You can also check the free awesome backgrounds here.