If you need a viewer, you can download one here for free.

Microsoft Excel Viewer 2003

for Excel 97, 2000, 2002 and Office Excel 2003 users

Microsoft Word Viewer 2003

for Word 97, 2000, 2002 and Office Word 2003 users

(This viewer will also open files saved in Rich Text Format (.rtf))

Microsoft PowerPoint Viewer 2003

for PowerPoint 97, 2000, 2002 and Office PowerPoint 2003 users

Adobe Reader - for PDF files