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File Extension List

Our personal computer needs to know how to access specified files and specify what programs they are affiliated with. By examining a files extension, our personal computer recognizes exactly how to process that file.

The data needed to choose which software to use to load a file is learned by examining the files extension. A files extension contains clues to the formatting of the file and what kind of data it contains. Some of the more common file extensions include .exe for executables, .mp3 for sound, and .txt for plain text. You may already be familiar with these general extensions but with the ever growing library of programs and operating systems there are much more that you may have never discovered.

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