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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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WAD - Extension Details
Date Added: March 03, 2009
File Extension:  .WAD
Description 1: .WAD is a file extension often seen utilized by game archives, usually packages that contain graphics, levels and other game data. The term "WAD short for Wheres All the Data?, commonly refers to modified versions of such files. Its usage basically started with Dooms games series. Two WAD types are: IWADs these contain data needed in loading a game, and PWADs contain extra data like new character sprites required for custom levels.
Description 2: File extension .WAD (Wheres All the Data?) is tied to the Doom Game File. Id Software originally wrote the Doom computer game back in 1993. This landmark title in the genre of firstperson shooters, the WAD file format is largely recognized for pioneering the use of networked multiplayer gaming on PC platforms, player support in custom expansions (WADs) creation, and immersive 3D graphics. Other games likewise utilize WAD files. A .WAD file is a large Doom game file that contains player level and video along with other info.
Description 3: .WAD is linked to WAD Manager Wii Channel Archive. Wii is the fifth home videogame console that Nintendo released. The consoled is the Nintendo GameCubes direct successor. WAD Manager is an application installing or uninstalling WAD files found in the WAD folder in the USB drive or SD card root for Wii. WAD files are archives containing files for installing Virtual Console games, WiiWare games and Wii Channels. They work with Wiimote controls or the reset button.
File Type:   Archive file
Mode: Binary
Program(s) to Open:  Open with WAD Manager Wii Channel Archive program Associated links: WiiBrew HomeBrew Wiki, USB Gecko Wii Coders Tool
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