FILE TYPE

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  Portable Network Graphics

  Portable Network Graphics is a bitmapped image format and video codec that employs lossless data compression.
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  JPEG

  In computing, JPEG is a commonly used method of lossy compression for digital photography (image).
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  Graphics Interchange Format

  The GIF is a bitmap image format that was introduced by CompuServe in 1987 and has since come into widespread usage on the World Wide Web [..]
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  Roshal ARchive

  RAR stands for Roshal ARchive. It is a proprietary[2] archive file format that supports data compression, error recovery, and file spanning.
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  DOC

  In computing, DOC or doc (an abbreviation of "document") is a file extension for word processing documents - most commonly for Microsoft Word.
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  EXE

  EXE is the common filename extension denoting an executable file (a program) in the DOS, Microsoft Windows, Symbian, and OS/2 operating systems.
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