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File Extension List

New software is constantly being developed and it is important for our system to be able to tell what sort of file it is accessing. By looking at a files extension, our computer knows precisely how to access that file.

To detect which software to open a file with, your personal computer starts by collecting the required information by examining the files extension. Information regarding the type and format of information contained within a file is indicated by a file extension. Some of the most general file extensions include .exe for executables, .mp3 for sound, and .txt for plain text. You may already be familiar with these common extensions but with the always growing library of software and operating systems there are a lot more that you may have never seen.

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