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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:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
SAD - Extension Details
Date Added: January 01, 1970
File Extension:  .SAD
Description 1: File extension .SAD is associated with the realtime strategy game file format used by Black and White. It is a file tied to Black and White Audio File. SAD files contain sound effects along with other audio that are utilized within the game. Different audio playback application programs can open .SAD files.
File Type:   Game file
Mode: Binary
Program(s) to Open:  Windows: Lionhead Studios Black & White, Drago UnPACKer Macintosh: Lionhead Studios Black & White
Common:
Extension: