Details: File format summary

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Properties

Summary
Name	AutoCAD Drawing
Version	R10
Other names	DWG (R10)
Identifiers	PUID: fmt/31 MIME: image/vnd.dwg
Family	DWG
Classification	Image (Vector)
Disclosure	None
Description	The AutoCAD Drawing format is a vector graphics format, and is the native file format of AutoDesk's AutoCAD family of products. The format is proprietary and AutoDesk does not make details of its structure public. The information contained here is derived primarily from the OpenDWG Alliance's reverse-engineered documentation of the format, and should not therefore be regarded as definitive. The basic structure of a DWG file comprises a header section, a drawing class definitions section, the drawing object data, a drawing object map, which contains the locations of all the objects in the drawing, and an image data section, which may contain a raster image of the drawing in either Windows Bitmap (BMP) or Windows Metafile (WMF) format. DWG version 10 is the version of the format associated with Release 10 of AutoCAD.
Orientation	Binary
Byte order	Little-endian (Intel)
Related file formats	Has lower priority than Drawing Interchange File Format (ASCII) (R10) Is previous version of AutoCAD Drawing (R11/12) Is subsequent version of AutoCAD Drawing (R9)
Technical Environment
Released	01 Oct 1988
Supported until
Format Risk
Developed by	None.
Supported by	None.
Source	Digital Preservation Department / The National Archives
Source date	11 Mar 2005
Source description
Last updated	02 Aug 2005
Note