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.
Adobe Acrobat Reader (.pdf) If you do not already have Adobe Acrobat,
you can download Acrobat
Reader for free* (Windows and Macintosh).
Microsoft Word and
Corel WordPerfect (.doc, .wpd) If you do not already have Microsoft
Word or Corel WordPerfect, you can
download Word Viewer 2003 for free* (Windows).
Microsoft Excel (.xls) If you do not already have Microsoft Excel,
download Excel Viewer 2003 for free* (Windows).
Microsoft PowerPoint (.ppt) If you do not already have Microsoft
PowerPoint, you can
download PowerPoint Viewer 2003 for free* (Windows).
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:
Apple QuickTime (.mov, .mpg, .mpeg, .aif, .mp3, .m4p, .m4v, .m4a)
If you do not already have QuickTime, you can
download QuickTime Player for free* (Windows and Macintosh).
RealPlayer (.ra, .rm, .ram) If you do not already have RealPlayer,
you can download RealPlayer for free:
Adobe Flash Player (.swf) If you do not already have Adobe Flash,
you can download Adobe Flash Player
for free* (Windows and Macintosh).
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* (Windows) or download a similar compression program:
* The CCR 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 CCR Web site and are subject to the privacy and security policies
of the owners/sponsors of the external site.
A service of the National Cancer Institute