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File Extension List

New applications are constantly being developed and it is essential for our system to know how to distinguish what sort of file it is accessing. By considering a files extension, our personal computer knows exactly how to access that file.

The information required to choose which program to use to access a file is taken from the files extension. Data regarding the format and type of data contained within a file is indicated by a file extension. For example, many typical file extensions include: .gif for pictures, .rar for compressed files, and .mov for video. These general file extensions are well known to many computer users, but with new programs coming each day, with it comes more file types which you might not have seen.

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