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Use the links below to locate and download some popular viewers and helper applications for file types you may find on this website. Installing a viewer on your computer will allow you to view files (with filename extensions like .doc, .ppt, .xls, .pdf, etc.) when you don’t have the software that was used to create the files. Most of these links are to non-government sources. The federal government does not endorse any of these products; they are listed below for the convenience of our visitors. Address questions about the particular plug-in or file viewer to the respective vendor.

Free Viewers, Plug-Ins and Readers
Company Product Name Extensions Windows Mac Other
Adobe Adobe Reader .pdf Yes Yes Yes
Adobe Flash Player .swf Yes Yes No
Apple QuickTime .mov, .qt Yes Yes N/A
Microsoft Word .doc, .docx, .rtf Yes No No
Microsoft Excel .xls, .xlsx Yes No No
Microsoft PowerPoint .ppt, .pptx Yes No No
Microsoft Visio .vsd, .emz Yes No No
Microsoft Windows Media Player – PC .wmv, .wma Yes No N/A
Microsoft Flip4Mac
(plays Windows Media files in
QuickTime on a Mac)
.wmv, .wma No Yes N/A
Real Free RealPlayer .ram, .ivr, .rmm Yes Yes Yes