This contains component graphical elements (known as entities) and other objects that support the editing and rendering of drawings. The primary substance of a drawing is in a section with name AcDb:AcDbObjects.

The syntactic structure of a DWG drawing file includes sections and section substructures.

See Notes below, for information about the chronological versions of the AutoCAD application and associated versions of the DWG format. The compilers of this resource have chosen to describe the DWG family of formats in a single document. Autodesk lists past versions of DWG at AutoCAD Release History. One more recent version, associated with AutoCAD 2018 through 2020, is in use. The format has been updated frequently as the AutoCAD product has been enhanced.Īs of January 2020, PRONOM had records for 19 chronological versions, none of which is publicly documented by AutoDesk. AutoCAD 1.0 was released in 1982, but the origins of the DWG format are from the late 1970s, when it was the native format for a CAD package called Interact. DWG is a compact binary format that stores and describes the content of 2D and 3D design data and metadata. DWG is the proprietary native file format for AutoCAD, one of the most popular computer-assisted design (CAD) packages.

Acdb resource file autocad 2010