If you need a viewer, you can download one here for free.
Microsoft
Excel Viewer (Opens new window) - for Excel 97, 2000, 2002 and Office Excel 2003, Excel 2007 users
Microsoft
PowerPoint Viewer 2007 (Opens new window) - for PowerPoint 97, 2000, 2002 and Office PowerPoint 2003, PowerPoint 2007 users
Adobe Reader (Opens new window) - for PDF files
Winzip (Opens new window) - for zip files
