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DWG

File type: AutoCAD Drawing Database File

 

The DWG file extension identifies drawing files created in AutoCAD. The files with the .dwg are used to store 3D and 2D design data including metadata.

It is used as the local format for many CAD packages such as Interlaced, PowerCAD, AutoCAD and its variants. The files with the .dwg are non-natively supported by a variety of software applications.

 

Detailed information 

Category: Three Dimensional Image Files
File format: Proprietary
Open with Windows: IMSI TurboCAD, Autodesk AutoCAD or DWG TrueView, SolidWorks eDrawings Viewer, ACD Systems Canvas, DWG converter such as AutoDWG, IrfanView
Open with Linux: TurboCAD, utodesk AutoCAD
The DWG file extension was first developed as a native file format for the CAD package called Interact by Mike Riddle, which was later on licensed by Autodesk to be the foundation of AutoCAD.
Today, this format is the widely used file format for drawing and can be opened in many CAD software. The files with the .dwg are in a propriety format for images composed of design data. The DWG is associated with the DXF file extension which stores files in the ASCII version.
AutoCAD is a computer-aided design and drafting program and is the industry standard when it comes to 2D and 3D design work.
Autodesk defines designs and iterates that this format is the native format for their computer-aided design applications. However, in the year of 1996, Autodesk disclaimed exclusive used of the this format. These files  can be opened in Windows using a free program called DWG Tru View.