How to Compress a PowerPoint Slideshow. If you are working on a large PowerPoint presentation that presents multiple slides in a slideshow, the PowerPoint file grows in size with every picture you ...

PPTShare is a Windows desktop client that compresses large PowerPoint files by as much as 95%. Huge PowerPoint files have long been a problem, and if the medium is going to see extensive use in ...

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.

For $45, PPTshare compresses your PowerPoint files and reduces their file sizes by up to 95 percent – usually making them small enough to easily send via e-mail.