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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
WGP - Extension Details
Date Added: January 01, 1970
File Extension:  .WGP
Description 1: WGP stands for Web Gallery Project. It is the extension referring to web gallery files WebHat Web Gallery program software creates. Such files allow for web publication using a custom "scheme or template. WGP files sometimes include image effects like shadows and borders along with other filters. Use PHP, JavaScript or XHTML ro publish Web Gallery.
File Type:   Data file
Mode: ASCII
Program(s) to Open:  Windows: WebHat Web Gallery
Common:
Extension: