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Upper Midwest Environmental Sciences Center

File types used in the UMESC Web Site

A basic web browser is designed to view a limited number of file types, including .html, .htm, .jpg and .gif files. There are additional file types available within the UMESC web site that require special software to use. This page explains the file types which will require additional software and provides links to vendors where the software may be downloaded. The UMESC offers additional documentation about the following file types:

File type/
extension
Associated software
.swf 
Macromedia Flash - The .swf extension indicates a Flash file. Download the free Flash player.
.pdf
Adobe Acrobat by Adobe Systems - The .pdf extension indicates an Adobe Portable Document Format file. Download the free Adobe Acrobat Reader.
Accessibility tools
.mpg
The .mpg extension indicates a digital video file. Selecting this file type should cause the Windows Media Player to launch; this utility is included with MS Windows operating systems. If this software is not available on the computer, consider using the Apple QuickTime utility listed below.
.tif
The .tif extension indicates an image file. Selecting this file type should cause Imaging for Windows® to launch; this utility is included with MS Windows operating systems. If this software is not available on the computer, consider using the Apple QuickTime utility listed below.
.mpg, .tif
Apple QuickTime - media player, compatible with a wide variety of image formats, as well as music, MIDI and MP3. Download the free Apple Quicktime player.
.zip, .tar, .gz
WinZip or GNU zip - The .zip, .tar, and .gz extensions indicate a collection of files compressed into a single archive file. Double-clicking on an archive file should launch a utility designed to decompress the archive; the archive file will be unbundled and the individual files in the archive will be available in their original formats. Download the free archive utilities WinZip or GNU zip listed above.
.ppt
The .ppt extension indicates a Microsoft PowerPoint file. Double-clicking on the file will launch the Microsoft Powerpoint application. The computer must have PowerPoint (or a compatible application) loaded to view the file.
.xls
The .xls extension indicates a Microsoft Excel spreadsheet file. Double-clicking on the file will launch the Microsoft Excel application. The computer must have Excel (or a compatible application) loaded to view the file.

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URL: http://www.umesc.usgs.gov/file_types.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified: January 29, 2016