PPTminimizer 

If you are a Microsoft PowerPoint user, then you will be very happy to find this wonderful program: PPTminimizer is a quick, powerful and reliable solution to compress your Microsoft PowerPoint documents not just by 25% or 50% or even 75% but up to 98% .It's compression power is unmatched. If you have a website that hosts .PPT files, you will save a lot of valuable hosting space for hosting your other files. This tool is a must-have application, if you are running any business that uses slide-shows made by Microsoft PowerPoint. It will enable you to save your big .PPT files on small USB Storage devices or even floppy discs. Don't worry about quality, because this incredible tool doesn't reduce document's quality. It doesn't even need any special decompressing technique and your files will run as usual directly from your CD drive or HDD. That's not everything, the program will help you also to reduce the size of your Microsoft Word documents. The program includes other mini tools which will help compressing your files easier such as an add-on for Microsoft PowerPoint, Word, Outlook, Explorer. If you want to batch compress many files at once, you can make use of the built in search tool that will scan your computer for .PPT files or you can simply drag and drop your files directly inside the program's window.