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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
LAMP - Extension Details
Date Added: October 09, 2008
File Extension:  .LAMP
Description 1: .LAMP file extension is linked with ArchiCAD for MAC Geometric Description Language file. ArchiCAD is an application that allows users to create great architectural designs and achieve increased productivity. This application is designed by architects for architects. Other benefits to users include: better design focus, manage changes, evaluate design alternatives, coordination and collaboration. .LAMP file extension and ArchiCAD are owned and developed by Graphisoft.
File Type:   Source code and script file
Mode: ASCII
Program(s) to Open:  Windows & Mac: Graphisoft ArchiCAD
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