How to Use PowerPoint’s Background Remover
When the background in a picture is a solid color, it’s easy to remove the background so that only the main image appears in the picture. This allows text, a picture, or another color to show and is a way to blend your photos into the slide background seamlessly. Sometimes, the image ends up with more or less transparency than you’d like it to have. If so, just repeat the steps above. PowerPoint saves all your changes and even lets you revert back to the original, non-transparent version. PowerPoint colors the image pink to indicate the parts that it thinks is the background. In PowerPoint for Mac, use What to keep or What to remove.
Make a Single Color Transparent
There is another way to make a solid color in the image transparent. For instance, you can make a white background see-through.
