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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
VAL - Extension Details
Date Added: January 01, 1970
File Extension:  .VAL
Description 1: .VAL refers to the file extension used for the Valodas Dictionary file. Valodas is a free language learning program software that consists of a dictionary of words. It features spelling help along with word learning and repetition. Users themselves can easily go about editing and updating the .VAL dictionary file.
File Type:   Data file
Mode: ASCII
Program(s) to Open:  Macintosh, Windows and Unix: Valodas
Common:
Extension: