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The File Extension Library

What is a file extension?

Short answer: it's the set of letters after the period (.) in the name of a file.

Long answer: File extensions signify the file format of a file. It tells the operating system (OS) how data was stored in the file. Not all OS, require a file extension though. For instance, this is optional in Unix, but is mandatory with MS-DOS and Windows systems.

In most file formats the file type is actually defined by the contents (first bytes, file structure), but extensions are used to define the application that is used for opening the file.

Below is a detailed database of thousands of file extensions our team has compiled for you. Feel free to browse!


Browse all Extensions:
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BAR - Extension Details
Date Added: September 02, 2009
File Extension:  .BAR
Description 1: .BAR file extension is linked with Age of Empires 3 game file. The game's package file carries game data such as textures, music, maps, models and sounds. Age of Empires 3 offers players new age, futuristic worlds with strategic scenarios, graphics and many other innovative features. This application is categorized as RTS or realtime strategy game. .BAR file extension and Age of Empires 3 are owned and developed by Microsoft Corp.
Description 2: .BAR file extension is linked with Unix BAR Compressed File Archive. It carries the archived files utilized by UNIX Operating System. UNIX is an operating system which is widelyused by workstations and servers. UNIX provided the key elements [environment and clientserver program model] in developing the Internet and in restructuring computing that is geared towards networking.
Description 3: .BAR file extension is linked with dBASE Application Generator Horizontal Bar Menu Object File. This is the file extension for the horizontal bar menu object file utilized by dBASE. dBASE was the first widelyused DBMS [database management system] for microcomputers. It was published by AshtonTate for CP/M and later on AppleII, Apple Macintosh, VMS, Unix and IBM PC under DOS.
File Type:   Data File
Mode: ASCII
Program(s) to Open:  Windows: dBASE
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