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File Extension List

New applications are always being produced and it is important for our computer to know how to distinguish what kind of file it is accessing. By examining a files extension, our personal computer knows exactly how to access that file.

To determine which software to open a file with, your computer first collects the necessary information from the files extension. A files extension holds hints to the formatting of the file and what sort of information it contains. For example, many typical file extensions include: .gif for pictures, .zip for compressed files, and .avi for video. You may already be familiar with these typical extensions but with the ever developing library of software and operating systems there are many more that you might have never seen.

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