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File Formats Used

In addition to standard HTML Web pages, our Web sites contain other file formats. You may need additional software or browser plug-ins to view some of the information available on our sites. The following lists show each format, along with links to the corresponding freely available plug-ins or viewers.

Documents


 Adobe PDF icon  Adobe Acrobat Reader (.pdf)

If you do not already have Adobe Acrobat, you can download Acrobat Reader  External Web Site Disclaimer for free* (Windows and Macintosh).

 Microsoft Word icon  Microsoft Word (.doc, .docx)

If you do not already have Microsoft Word, you can download Word Viewer External Web Site Disclaimer for free* (Windows).

 Microsoft Excel icon  Microsoft Excel (.xls, .xlsx)

If you do not already have Microsoft Excel, you can download Excel Viewer External Web Site Disclaimer for free* (Windows).

 Micrsoft PowerPoint icon  Microsoft PowerPoint/PowerPoint Show (.ppt, .pptx, .pps, .ppsx)

If you do not already have Microsoft PowerPoint, you can download PowerPoint Viewer External Web Site Disclaimer for free* (Windows).

Multimedia


 Adobe Flash icon  Adobe Flash Player (.swf)

If you do not already have Adobe Flash, you can download Adobe Flash Player External Web Site Disclaimer for free* (Windows and Macintosh).

 Apple Quicktime icon  Apple QuickTime (.mov, .mpg, .mpeg, .aif, .mp3, .m4p, .m4v, .m4a)

If you do not already have QuickTime, you can download QuickTime Player External Web Site Disclaimer for free* (Windows and Macintosh).

 Microsoft Windows Media Player icon  Microsoft Windows Media Player (.wmv, .avi, .mpg, .mpeg, .mp3, .mp4, .m4v, .m4a)

If you do not already have Windows Media, you can download Windows Media Player or Windows Media Components for Macintosh for free:

 RealPlayer icon  RealPlayer (.ra, .rm, .ram)

If you do not already have RealPlayer, you can download RealPlayer for free:

Compressed Files


 Windows Zip Utility icon  Zip Compressed Files

Windows XP and Windows Vista have a zip compression utility built into the operating system. If you are using a Macintosh or running an older Windows operating system and do not already have a compression program such as WinZip, you can download a free 21-day trial version of WinZip* External Web Site Disclaimer (Windows) or download a similar compression program:

* The NIH OHR Web site provides links to other Internet sites for informational purposes and the convenience of its users. When users select a link to an external Web site, they are leaving the NIH OHR site and are subject to the privacy and security policies of the owners/sponsors of the external site.