Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .dwg

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .dwg file?
  • Which program can create the .dwg file?
  • Where can you find a description of the .dwg format?
  • What can convert .dwg files to a different format?
  • Which MIME-type is associated with the .dwg extension?
Autodesk AutoCAD Drawing .dwg file icon

Autodesk AutoCAD Drawing

DWG file is an Autodesk AutoCAD Drawing. It is a binary file format used by AutoDesk AutoCAD, it can contain 2D or 3D objects and offers compression and a CRC check for internal data.
Detailed description not available
Category: Document files
Application: Autodesk AutoCAD
Program name: -
Mime-type: application/x-autocad
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Autodesk Drawing eXchange File
WorkView3D Links
IronCAD Scene
Autodesk Design Web Format
Autodesk AutoCAD Heidi Information File
Autodesk AutoCAD Heidi Device Interface
Pro/ENGINEER Neutral Assembly
Cadence Allegro PCB Layout
Catia Document

Other types of files may also use the .dwg file extension. If you have helpful information about .dwg extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Castle of the Winds Data
World Championship Poker 2 Game Data
Deltadrive GRS Database
Auto-trol Tech Illustrator Drawing
Digi-Watcher Video File
Doom Saved Game
David Whittaker Format Music
VariCAD 2D/3D Document
Autodesk Design Web Format

The .dwg filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

dw (1), dgw (1), ddg (1), wwg (1), cwg (1), wdg (1), rwg (1), dwr (1), dwh (1), dwb (1), dsg (1), dg (1), dag (1), wg (1), swg (1)

Can't open a .dwg file?

If you want to open a .dwg file on your computer, you just need to have the appropriate program installed. If the .dwg association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.dwg

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android