Description: Adobe Acrobat Reader is a program that
allows users to view files in Portable Document Format (PDF). PDF is a
universal file format that preserves the appearance of the original
document. PDF files can be easily printed but not easily modified. Several documents throughout this Web site are available in PDF. These files contain complex documents with graphs, images, and special text that cannot be presented easily through the typical Web browser. The creator of this file format, Adobe® Systems, offers a free viewer so that you can view any PDF file.
File extensions: .pdf
Viewing: If you do not already have Adobe Acrobat, you can
download Acrobat Reader for free*.
Description: Microsoft PowerPoint is a program for
creating and viewing presentations and slide shows.
File extensions: .ppt
Viewing: If you do not already have PowerPoint, you can
download PowerPoint Viewer for free*.
Description: Microsoft Word is a word processing program
used to create and edit text documents. Text in Word documents can be easily
modified or copied for use in other applications.
File extensions: .doc, .rtf
Viewing: If you do not already have Word, you can
download Word Viewer for free*.
Description: Corel WordPerfect is a word processing
program used to create and edit text documents. Text in WordPerfect
documents can be easily modified or copied for use in other applications.
File extensions: .wpd
Description: QuickTime is a program for viewing and
listening to audio and video files (including live broadcasts).
File extensions: .mov, .qt, .mpg, .mpeg, .mp3, .mp4
Viewing/listening: If you do not already have QuickTime,
you can
download QuickTime for free*.
Description: RealPlayer is a program for viewing and
listening to audio and video files (including live broadcasts).
File extensions: .ra, .ram, .rm
Viewing/listening: If you do not already have RealPlayer,
you can
download RealPlayer for free*. (Select "Download Free RealPlayer" on the
right side of the page.)
Description: Windows Media
Player is a program for viewing and listening to audio and video files
(including live broadcasts).
File extensions: .asf, .asx, .avi, .wma, .wmv, .wm, .wpl, .mpg, .mpeg, .mp3, .mp4
Viewing/listening: If you do not already have Windows Media
Player, you can
download Windows Media Player for free*.
Description: Microsoft Excel is a spreadsheet program
used to calculate, analyze, and store data. Text in Excel files can be
easily modified or copied for use in other applications.
File extensions: .xls
Viewing: If you do not already have Excel, you can
download Excel Viewer for free*.
Description: WinZip and similar programs (such as
PowerZip, TurboZip, ZipScan, WinConfig, and StuffIt) are used to archive and
compress files so that they can be stored and distributed more efficiently.
File extensions: .zip, .cab
Viewing: If you do not already have a compression program
such as WinZip, you can
download a free 21-day trial version of WinZip* or
download a similar compression program.*
* Links to non-Federal organizations found at this site are provided solely as a service to our users. These links do not constitute an endorsement of these organizations or their programs by CDC or the Federal Government, and none should be inferred. CDC is not responsible for the content of the individual organization Web pages found at these links.