- If your current operating system is Mac OS 7.5 to 9.x, the PowerPoint Viewer is available as a free download:
http://www.g-w.com/updates/PPT98VW.hqx
- Microsoft currently does not support a PowerPoint Viewer for Mac OS X. For users with this operating system, we recommend downloading Apache OpenOffice This program is a free download that will allow you to view PPS, PPT, or PPTX files.
- Users with Mac OS 10.4 or higher will need to download and install Apache OpenOffice:
http://www.openoffice.org/download/