File formats used on the ATSDR Web site.
Adobe Acrobat Reader (PDF)
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*.
Audio/Video Files
Description: Audio and video files used on the CDC.gov site are commonly formatted at MP3, MP4, or WMV files (e.g. Podcasts, CDC-TV). These audio and video files and others such as MPEG, AVI, and WAV) must use the generic audio/video icon.
File extensions: .avi (audio), .mp3 (audio), .mpeg (video), .wmv (video), .mpg (video), .mp4 (video)
Microsoft Excel
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*.
Microsoft PowerPoint
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*.
Microsoft Word
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*.
QuickTime
Description: QuickTime is a program for viewing and
listening to audio and video files (including live broadcasts).
File extensions: .mov, .qt
Viewing/listening: If you do not already have QuickTime,
you can download QuickTime for free*.
RealPlayer
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.)
WinZip & Other Programs for Zipping/Compressing Files
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.*
Contact Us:
- Agency for Toxic Substances and Disease Registry
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TTY: (888) 232-6348
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