Set Custom backgrounds for your PowerPoint slides

1. Right-click on the slide.

2. Click on the "Format Background" option.

3. Select on the option "Picture or Texture Fill"

4. Click on the box "File" written in a rectangular box.

5. A new window will open to browse your desired file.

6. Double Click the image you want to be in the background or single-click and then click on open.

7. Your chosen image is now your background of the PowerPoint slide. Now you can duplicate the slides and use them on different layouts.