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.

In most cases the compression rate is between 65 and 85% but on very large files it can reach the advertised 95% mark. We found the loss of quality in most cases to be minimal.

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 ...

Save the PowerPoint file to finish compressing the images. Compress media files embedded in your presentation. Embedded audio and video files in a PowerPoint presentation increase the file's size.

You can create a PPS file by using the File Save menu and selecting PPS from the menu. 2] Compress images Anything you add to a PowerPoint takes space. Images are one of the key elements; if you ...

If you've ever tried to email a Powerpoint presentation or grab it on your USB drive for quick transport, you know that the poorly compressed images within the .ppt file tend to really bulk it up.

I asked a company spokesperson to give ZDNet's readers the pitch and to hear what she had to say about this software whose sole purpose in life is to compress PowerPoint files (version 3.0 ...