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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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WGT - Extension Details
Date Added: January 01, 1970
File Extension:  .WGT
Description 1: .WGT is a file extension linked to the XNBC (Xwindow Neuro Bio Clusters) Synaptic Weights filetype category. A .WGT file is used to record synaptic weights data for a particular XNBC project. The info is stored in WGT files and comes in the binary format. XNBC is described as a simulation workstation used by neurobiologists for related research purposes.
File Type:   Data file
Mode: ASCII
Program(s) to Open:  Unix: XNBC
Common:
Extension: