File extension Details of CALS, DWF, DVL, DXF, DXB, DWG, DCX, DDB, DES

Name:	CALS
File Type:	CALS Raster Graphic File
Popularity:	3
Category:	image
File Description:	1-bit (black and white) image; can be uncompressed or compressed using CCITT group 4 compression; available in Type I and Type II versions, though Type I is more common. Most often uses the .CAL file extension.
Open Programs:	Mac OS Adobe Photoshop Windows Adobe Photoshop Corel (Jasc) Paint Shop Pro Graphics Converter Pro

Name:	DWF
File Type:	Design Web Format File
Popularity:	3
Category:	image
File Description:	2D/3D drawing format developed by Autodesk as a device independent and resolution independent drawing format for distributing designs; saved in a compressed format, which reduces file size; may contain design data, graphics, and text.
Open Programs:	Mac OS IMSI TurboCAD Windows Autodesk Design Review IMSI TurboCAD

Name:	DVL
File Type:	Virtual Library File
Popularity:	3
Category:	image
File Description:	Image information format used by Dalim Software's electronic publishing programs; contains one or more pages with keywords, URLs, document structure information and other metadata. Individual Dalim Software programs include TWiST, MiSTRAL, PRiNTEMPO, DiALOGUE, and LiTHO.
Open Programs:	Mac OS DALiM ViRTUAL LiBRARY Windows DALiM ViRTUAL LiBRARY

Name:	DXF
File Type:	Drawing Exchange Format File
Popularity:	5
Category:	image
File Description:	Data format developed by Autodesk used for CAD (computer-aided design) vector image files, such as AutoCAD documents; similar to the .DWG format, but is more compatible with other programs since it is ASCII (text) based. The DXF format was developed so that AutoCAD documents could be more easily opened with other programs.
Open Programs:	Mac OS IMSI TurboCAD PowerCADD PowerDWG translator Microspot DWG Viewer SolidWorks eDrawings Viewer NeoOffice Draw OpenOffice.org Draw DataViz MacLink Plus Windows Autodesk AutoCAD IMSI TurboCAD SolidWorks eDrawings Viewer Corel Paint Shop Pro ACD Systems Canvas DWG converter such as DWG2Image Converter OpenOffice.org Draw Linux OpenOffice.org Draw

Name:	DXB
File Type:	Drawing Exchange Binary
Popularity:	3
Category:	image
File Description:	Vector image format used by Autodesk AutoCAD; stores 3D CAD drawings created by AutoCAD, such as building and landscape designs. DXB is the binary version of a .DXF file, which is text-based; DXB files are smaller and load faster than DXF files, but are not as compatible with other programs like DXF files are.
Open Programs:	Mac OS DataViz MacLink Plus Windows Autodesk AutoCAD

Name:	DWG
File Type:	AutoCAD Drawing Database File
Popularity:	5
Category:	image
File Description:	Database of 2D or 3D drawings created with AutoCAD; a popular vector image format that stores both design data and metadata that describes the contents of the file; related to the .DXF format, which is an ASCII version of DWG. DWG files can be viewed on Windows using Autodesk's free DWG TrueView program or with other third-party applications.
Open Programs:	Mac OS IMSI TurboCAD PowerDWG Translator Microspot DWG Viewer SolidWorks eDrawings Viewer Windows Autodesk AutoCAD Autodesk DWG TrueView IMSI TurboCAD SolidWorks eDrawings Viewer ACD Systems Canvas Corel Paint Shop Pro Caddie DWG converter AutoDWG Solid Converter DWG IrfanView

Name:	DCX
File Type:	FAXserve Fax Document
Popularity:	3
Category:	image
File Description:	Fax format used by ACCPAC FAXserve, a program that can send, receive, and broadcast faxes from a computer; saves images and text in a digital format that is viewable by multiple fax programs.
Open Programs:	Windows ACCPAC FAXserve Nuance PaperPort ACDSee Photo Manager GraphicRegion Able Fax Tif View SFaxTools Studio FaxSee Pro or Smart FaxSee

Name:	DDB
File Type:	Device Dependent Bitmap
Popularity:	1
Category:	image
File Description:	Bitmap image formatted for a specific device driver, such as a video card driver; saved in a proprietary format defined by the video card manufacturer. DDB files are not meant to be opened manually, though they may be viewed with a supporting third-party image editor.
Open Programs:	Mac OS Not meant to be opened Windows Not meant to be opened

Name:	DES
File Type:	Pro/DESKTOP CAD File   (Most common)
Popularity:	3
Category:	image
File Description:	2D or 3D drawing created with Pro/DESKTOP, a CAD program used primarily in the education market; shapes created with the program can be viewed as wireframes, transparent, shaded, or enhanced images.
Open Programs:	Windows Parametric Technology Pro/DESKTOP

Name:	DES
File Type:	Corel Designer File
Popularity:	3
Category:	image
File Description:	3D technical illustration created with Corel Designer, a technical graphics design program; contains three-dimensional objects, such as device parts that can be put together in a larger assembly.
Open Programs:	Windows Corel Designer