| File extension |
File description |
Developer/Producer |
| .123 |
PCB123 Circuit Board Design |
Sunstone Circuits |
| .123c |
Autodesk 123C Drawing |
Autodesk |
| .123d |
Autodesk 123D Drawing |
Autodesk |
| .123dx |
123D Design Model File |
Autodesk |
| .2d |
VersaCAD 2D Drawing File |
Archway Systems |
| .3dc |
RoboCell Cell Setup File |
Intelitek |
| .3dl |
Sierra LandDesigner 3D File |
Sierra Entertainment |
| .a2l |
ASAP2 ECU Description File |
ASAM MCD-2MC |
| .act |
Alma CAD/CAM Document |
Alma |
| .adi |
AutoCAD Device-Independent Binary Plotter File |
Autodesk |
| .adt |
AutoCAD Audit Log |
Autodesk |
| .afd |
Alphacam Flame Drawing |
Planit |
| .afs |
STAAD.foundation Project File |
Bentley Systems |
| .any |
AnyRail Layout Plan |
DRail Modelspoor Software |
| .ard |
ArtiosCAD Workspace File |
Esko |
| .art |
ArtCAM Model |
Delcam |
| .asc |
LTspice Circuit Schematic File |
Linear Technology |
| .asm |
Solid Edge Assembly File |
Siemens |
| .asy |
LTspice Symbol File |
Linear Technology |
| .att |
Alphacam Lathe Tool File |
Alphacam |
| .bbcd |
BobCAD-CAM Document |
BobCAD-CAM |
| .bcd |
RealView Debugger Board Chip Definition File |
ARM |
| .bdc |
West Point Bridge Designer Design File |
West Point |
| .bdl |
CoCreate Bundle File |
Parametric Technology |
| .bit |
Xilinx Bitstream File |
Xilinx |
| .blk |
AutoCAD Block Template File |
Autodesk |
| .bmf |
FloorPlan File |
IMSI/Design |
| .bpz |
Easy Blue Print Symbol Library |
Easy Blue Print |
| .brd |
Cadence Allegro PCB Design File |
Cadence Design Systems |
| .bxl |
Accelerated Designs PCB Library File |
Accelerated Designs |
| .cad |
BobCAD-CAM File |
BobCAD-CAM |
| .cam |
Gerber CAM Job File |
N/A |
| .catpart |
CATIA V5 Part File |
Dassault Systemes |
| .catproduct |
CATIA V5 Assembly File |
Dassault Systemes |
| .cddx |
Circuit Diagram Document |
Circuit Diagram |
| .cdl |
CADKEY Wireframe Design File |
Kubotek |
| .cdw |
KOMPAS Document |
ASCON |
| .cel |
MicroStation Cell Library |
Bentley Systems |
| .cf2 |
Common File Format File |
N/A |
| .cff |
Common File Format |
N/A |
| .cgr |
CATIA Graphical Representation File |
Dassault Systemes |
| .circuit |
KTechlab Circuit Design File |
KTechlab |
| .ckd |
Kubotek Design Container |
Kubotek |
| .cmp |
Solid Edge Wire Harness File |
Siemens |
| .cnc |
PartMaster CNC File |
Dolphin Cad Cam |
| .cnd |
Melco Condensed Embroidery File |
Melco |
| .cpa |
CADSTAR PCB Archive File |
Zuken |
| .crv |
VCarve Pro Design File |
Vectric |
| .cyp |
Home Designer Pro Project File |
Chief Architect |
| .czd |
CAD Zone Drawing |
The CAD Zone |
| .db1 |
Tekla Structures Model File |
Tekla |
| .dbq |
AutoCAD Query Set |
Autodesk |
| .dc |
DesignCAD Design File |
IMSI/Design |
| .dc1 |
DevCad Document |
DevCad |
| .dc2 |
DesignCAD 2D ASCII Drawing |
IMSI/Design |
| .dc3 |
DesignCAD 3D ASCII Drawing |
IMSI/Design |
| .dcd |
DesignCAD Drawing |
IMSI/Design |
| .des |
Pro/DESKTOP CAD File |
PTC |
| .dft |
Solid Edge Draft Document |
N/A |
| .dfx |
Drafix CAD File |
Autodesk |
| .dgb |
FlashCAD Drawing Database |
Digitarch |
| .dgk |
Delcam 3D Model File |
Delcam |
| .dgn |
MicroStation Design File |
Bentley Systems |
| .dlv |
CATIA 4 Export File |
Dassault Systemes |
| .dlx |
DIALux Document |
DIAL |
| .dra |
OrCAD Drawing File |
Cadence Design Systems |
| .drg |
AllyCAD Drawing File |
Knowledge Base |
| .drwdot |
SolidWorks Drawing Template |
Dassault Systemes |
| .dsg |
Control Studio Document |
New Wave Concepts |
| .dsn |
OrCAD Design File |
Cadence Design Systems |
| .dst |
AutoCAD Sheet Set File |
Autodesk |
| .dvg |
Graphic Works Vector Graphic |
Data Becker |
| .dwfx |
Design Web Format XPS File |
Autodesk |
| .dwg |
AutoCAD Drawing Database File |
Autodesk |
| .dws |
AutoCAD Drawing Standards File |
Autodesk |
| .dwt |
AutoCAD Drawing Template |
Autodesk |
| .dxe |
AutoCAD Data Extraction Template |
Autodesk |
| .dxf |
Drawing Exchange Format File |
Autodesk |
| .dxx |
AutoCAD Drawing Interchange Attribute File |
Autodesk |
| .easm |
eDrawings Assembly File |
Dassault Systemes |
| .edn |
EDIF Implementation Netlist File |
Xilinx |
| .edrw |
SolidWorks eDrawings File |
Dassault Systemes |
| .eqn |
GAL Equation File |
N/A |
| .ewb |
Electronics Workbench Circuit Design File |
National Instruments |
| .ewd |
EasyWOOD Design File |
DDX |
| .exb |
CAXA Draft |
CAXA |
| .ezc |
AutoCAD Ecscad Components Backup File |
Autodesk |
| .ezp |
AutoCAD Ecscad Project Backup File |
Autodesk |
| .fan |
Form•Z Animation File |
AutoDesSys |
| .fcd |
FastCAD DOS Drawing |
Evolution Computing |
| .fcstd |
FreeCAD Document |
FreeCAD |
| .fcw |
FastCAD Windows Drawing |
Evolution Computing |
| .flx |
FelixCAD Drawing |
Graebert |
| .fmz |
Form•Z Project File |
AutoDesSys |
| .fnc |
QuickCAM 3D CNC File |
Denford |
| .fpd |
Front Panel Designer Project |
Front Panel Express |
| .fpp |
Front Panel Project |
Front Panel Express |
| .fz |
Fritzing Project File |
Fritzing |
| .fzp |
Fritzing Part File |
Fritzing |
| .fzz |
Fritzing Shareable Project File |
Fritzing |
| .g |
BRL-CAD Geometry File |
BRL-CAD |
| .g3d |
GOM 3D File |
GOM |
| .gbx |
Gerber PCB File |
N/A |
| .gcd |
Generic CADD Drawing File |
General CADD Products |
| .gds |
Graphic Data System File |
Cadence Design Systems |
| .ginspect_prj |
GOM Inspect Project File |
GOM |
| .gsm |
Graphic Description Language File |
N/A |
| .gxc |
General CADD Pro Component |
General CADD Products |
| .gxd |
General CADD Pro Drawing |
General CADD Products |
| .gxh |
General CADD Pro Hatch Pattern File |
General CADD Products |
| .gxm |
General CADD Pro Macro File |
General CADD Products |
| .hcp |
HydroCAD Project File |
HydroCAD Software Solutions |
| .hsc |
Aspen HYSYS Simulation File |
Aspen Technology |
| .hsf |
HOOPS Stream Format File |
Tech Soft 3D |
| .hus |
Husqvarna Embroidery File |
Viking |
| .iam |
Inventor Assembly File |
Autodesk |
| .iba |
Lectra Clothing Design Pieces File |
Lectra |
| .ic3d |
IC3D Scene File |
IronCAD |
| .icd |
IronCAD 3D Drawing File |
IronCAD |
| .ics |
IronCAD 3D Drawing File |
IronCAD |
| .ide |
Inventor iFeature File |
Autodesk |
| .idv |
Inventor Design View File |
Autodesk |
| .idw |
Inventor Drawing |
Autodesk |
| .if |
Procedimientos-Uno IFWin Project File |
Procedimientos-Uno |
| .ifcxml |
Industry Foundation Classes XML File |
N/A |
| .ifczip |
Compessed IFC File |
N/A |
| .igs |
IGES Drawing File |
N/A |
| .ipf |
iMPACT Project File |
Xilinx |
| .ipj |
Inventor Project File |
Autodesk |
| .ipn |
Inventor Presentation File |
Autodesk |
| .ipt |
Inventor Part File |
Autodesk |
| .ise |
Xilinx ISE Project |
Xilinx |
| .iso |
Arbortext IsoDraw Document |
PTC |
| .isoz |
Compressed Arbortext IsoDraw Illustration |
PTC |
| .jam |
Jam STAPL File |
Altera |
| .jbc |
Jam STAPL Byte-Code File |
Altera |
| .job |
MetaCAM Nest Job File |
Metamation |
| .jt |
JT Open CAD File |
N/A |
| .jvsg |
Video Surveillance Project |
JVSG |
| .kit |
20-20 Design File |
20-20 Technologies |
| .lcf |
ArchiCAD Library Container File |
Graphisoft |
| .ldr |
LDraw Model File |
LDraw.org |
| .ldt |
Eulumdat Formatted Luminaire Data File |
DIAL |
| .li3d |
Live Interior 3D Document |
BeLight Software |
| .lin |
AutoCAD Linetype File |
Autodesk |
| .lizd |
Live Interior 3D Compressed Document |
BeLight Software |
| .lyc |
bestIMAGE Compressed Design File |
Stork Prints |
| .lyr |
bestIMAGE Design File |
Stork Prints Austria (spgprints) |
| .mc9 |
Mastercam 9 Geometry File |
CNC |
| .mcd |
MiniCAD Design File |
Nemetschek |
| .mcx |
MICRO CADAM-X/6000 Model Data File |
CNC Software |
| .mdl |
Lectra Modaris Clothing Design File |
Lectra |
| .mhs |
Xilinx XPS Hardware Specification File |
N/A |
| .min |
Okuma CNC Program File |
Okuma |
| .model |
CATIA 3D Model FIle |
Dassault Systemes |
| .mp10 |
Multisim 10 Project File |
National Instruments |
| .mp11 |
Multisim 11 Project File |
National Instruments |
| .mp7 |
Multisim 7 Project File |
National Instruments |
| .mp9 |
Multisim 9 Project File |
National Instruments |
| .ms11 |
Multisim 11 Circuit Design File |
National Instruments |
| .ms7 |
Multisim 7 Circuit Design File |
National Instruments |
| .ms9 |
Multisim 9 Circuit Design File |
National Instruments |
| .mvs |
Microchip Verification Specification File |
Xilinx |
| .nc |
Mastercam Numerical Control File |
CNC Software |
| .neu |
Pro/ENGINEER Neutral File |
Parametric Technology |
| .ngc |
Xilinx Generated Netlist File |
Xilinx |
| .ngd |
Xilinx Netlist File |
Xilinx |
| .npl |
Xilinx ISE 5-6 Project File |
Xilinx |
| .nwc |
Navisworks Cache File |
Autodesk |
| .nwd |
Navisworks Document |
Autodesk |
| .nwf |
Navisworks File Set |
Autodesk |
| .olb |
OrCAD Symbol Library File |
Cadence Design Systems |
| .opj |
OrCAD Project File |
Cadence Design Systems |
| .opt |
Opterecenja File |
Zeljko Finzgar |
| .pat |
AutoCAD Hatch Pattern File |
Autodesk |
| .pc6 |
PowerCADD 6 Drawing File |
Engineered Software |
| .pc7 |
PowerCADD 7 Drawing File |
Engineered Software |
| .pcs |
Pfaff Embroidery File |
Pfaff |
| .pho |
Gerber Photoplot File |
Ucamco |
| .pipd |
PIPE-FLO Demo Project File |
Engineered Software |
| .pipe |
PIPE-FLO Project File |
Engineered Software |
| .pla |
ArchiCAD Project Archive |
Graphisoft |
| .pln |
ArchiCAD Project File |
GRAPHISOFT |
| .pm3 |
Crouzet Logic Software M3 File |
Crouzet |
| .prg |
PC-DMIS Part Program File |
Hexagon Metrology |
| .pro |
KiCad Project |
KiCad |
| .prt |
Pro/ENGINEER Part File |
Parametric Technology |
| .psf |
AutoCAD PostScript Patterns File |
Autodesk |
| .psm |
Solid Edge Sheet Metal File |
Siemens |
| .pss |
AutoCAD Plot Stamp Settings File |
Autodesk |
| .psu |
PSU Designer Document |
Duncan Amplification |
| .psv |
Pipe System Viewer File |
Engineered Software |
| .pwd |
Solid Edge Weldment Document |
Siemens PLM Software |
| .pwt |
AutoCAD Publish To Web Template |
Autodesk |
| .qpm |
Quick Pallet Maker Input Data |
Koona Software |
| .rcd |
LEGO MINDSTORMS Recording File |
LEGO |
| .rdf |
Relux Project File |
Relux |
| .red |
CADViewer Redline Markup File |
Tailor Made Software |
| .rig |
vRigger Design File |
Iterum |
| .rml |
Redline Markup Language File |
Autodesk |
| .rra |
vRigger Rigging Gear File |
Iterum |
| .rs |
RapidSketch Document |
Utilant |
| .rsm |
RouterSim Network Visualizer File |
RouterSim |
| .rtd |
Robot Structural Analysis Design File |
Autodesk |
| .sab |
ACIS SAB Model File |
Spatial |
| .sat |
ACIS SAT 3D Model File |
Spatial |
| .sbp |
OpenSBP CNC Program File |
OpenSBP Group |
| .scad |
OpenSCAD Script |
OpenSCAD |
| .sch |
KiCad Schematic File |
KiCad |
| .sdg |
Strater Project File |
Golden Software |
| .sew |
Home Embroidery Format |
N/A |
| .shx |
AutoCAD Compiled Shape File |
Autodesk |
| .skf |
AutoSketch Drawing |
Autodesk |
| .sldasm |
SolidWorks Assembly File |
Dassault Systemes |
| .slddrw |
SolidWorks Drawing File |
Dassault Systemes |
| .sldprt |
SolidWorks Part File |
Dassault Systemes |
| .spt |
SpeedTree Tree Data File |
Interactive Data Visualization |
| .stl |
Stereolithography File |
N/A |
| .svd |
SolidView Design File |
Solid Concepts |
| .t3001 |
TARGET 3001! Circuit Design Project File |
TARGET 3001! |
| .tak |
TAK 2000 Thermal Model File |
K&K Associates |
| .tbp |
Tekla BIMsight Project |
Tekla |
| .tc2 |
TurboCAD 2D Mac Drawing |
IMSI |
| .tc3 |
TurboCAD 2D/3D Mac Drawing |
IMSI |
| .tcd |
Technobox CAD Drawing |
Technobox |
| .tcm |
TurboCAD Mac Drawing |
IMSI |
| .tct |
TurboCAD Drawing Template |
IMSI/Design |
| .tcw |
TurboCAD Drawing File |
IMSI/Design |
| .tcx |
TurboCAD 3D Model Text File |
IMSI/Design |
| .top |
TopSolid Design Document |
Missler Software |
| .topprj |
TopSolid Project File |
Missler Software |
| .tsc |
TINA Design File |
DesignSoft |
| .tsf |
Strater Template File |
Golden Software |
| .unt |
AutoCAD Unit Definition File |
Autodesk |
| .upf |
Unified Power Format File |
IEEE |
| .vnd |
Type3 Design File |
Vision Numeric |
| .vtf |
3DESIGN CAD File |
Vision Numeric |
| .vwx |
Vectorworks Design File |
Nemetschek |
| .wdp |
AutoCAD Electrical Project File |
Autodesk |
| .xise |
Xilinx ISE Project File |
Xilinx |
| .xv3 |
Lattice XVL Geometry File |
Lattice Technology |
| .x_b |
Parasolid Model Part File |
Siemens PLM Software |
| .x_t |
Parasolid Model Part File |
Siemens PLM Software |
