We show you how to compress a PowerPoint slide, and reduce its file size. The more info you add, the more the size increases; esp. videos, audio, and images.

To decrease file size, you must compress the PowerPoint slideshow. The easiest and most effective way to do this is to compress the images and then archive the slideshow.

Reduce the size of a large PowerPoint file by compressing the pictures within it. Click to select a picture in your open PowerPoint presentation -- any picture will do.

Use the new PowerPoint 2007 format, which uses the PPTX file extension. It's a lot smaller than the old PPT format. Compress your images for the screen.