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DWG (from drawing) is a proprietary [3] binary file format used for storing two- and three- dimensional design data and metadata.It is the native format for several CAD packages including DraftSight, AutoCAD, ZWCAD, IntelliCAD (and its variants), Caddie and Open Design Alliance compliant applications.
Contains the preview image for the DXF file. END OF FILE. The data format of a DXF is called a "tagged data" format, which "means that each data element in the file is preceded by an integer number that is called a group code. A group code's value indicates what type of data element follows.
For example, opening a file from a file manager usually invokes the open verb in order to open the file with its associated application. The "open" verb invokes the associated application program, which reads the file or document and presents it to the user for viewing, and possibly for editing or other action.
AutoCAD's native file formats are denoted either by a .dwg, .dwt, .dws, or .dxf filename extension. .dwg and, to a lesser extent, .dxf, have become de facto, if proprietary, standards for CAD data interoperability, particularly for 2D drawing exchange. [31] The primary file format for 2D and 3D drawing files created with AutoCAD is .dwg.
DWF files (since version 6.0) are a ZIP-compressed container for the drawing files; despite the first few bytes of the file containing a DWF header, renaming a .dwf file to .zip will allow the component files inside to be viewed with archive compression software. Amongst various XML and binary files, is a PNG format thumbnail preview.
A .inf file is used to store this metadata in text format, stored in a file with the same base filename, e.g. Menu and Menu.inf, Build.src and Build.src.inf. JPEG + WAV Some digital cameras allow for voice/audio annotations with photos. These are then stored as WAV audio files alongside the JPEG photo file, with the same base filename. PDF ...
MDX – Daemon Tools format that allows getting one MDX disc image file instead of two (MDF and MDS). DMG – Macintosh disk image files; CDI – DiscJuggler image file; CUE – CDRWrite CUE image file; CIF – Easy CD Creator.cif format; C2D – Roxio-WinOnCD .c2d format; DAA – PowerISO .daa format; B6T – BlindWrite 6 image file; B5T ...
A suggested protection against this is to open it with an archive manager instead of executing it (losing the advantage of self-extraction); the archive manager will either report the file as not an archive or will show the underlying metadata of the executable file - a strong indication that the file is not actually a self-extracting archive.