Download Free Readers Download Free DocumentReaders Microsoft Excel Viewer (.xls extension) Excel Viewer 2007 Windows Excel documents can be opened with Appleworks for Mac OS X, and with Open Office Calc for Unix / Linux Microsoft Powerpoint Viewer (.ppt extension) Powerpoint Viewer 2007 Windows Powerpoint documents can be opened with Open Office Impress for Unix / Linux Microsoft Windows Media Player (.wmv extension) Windows Media Player version options for various Windows and Mac platforms Download free Media Player add-ons for missing codecs and patches, or to customize your player appearance. The federal Rehabilitation Act Section 508 requires that the above free viewers must themselves comply with the accessibility guidelines. Below are links to the Voluntary Product Accessibility Templates (VPATs) for these products: Adobe Reader Microsoft Office Viewers Adobe, Adobe Reader, Acrobat, and Flash are registered trademarks of Adobe Systems Incorporated. Microsoft, Windows, Word, Excel, Office, Powerpoint, and Windows Media are registered trademarks of Microsoft Corporation. Appleworks and Mac OS are registered trademarks of Apple Computer, Inc. OpenOffice.org is a trademark of Team OpenOffice.org.