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CAD formats
CAD file formats and converters |
An overview of CAD formats supported in current versions of main Autodesk products, their conversion options, import, export.
Which product can I use to convert format X to format Y?
Click a format or application name to display more information.
| | |
| Format | Extension | Description | Supervisor |
|---|---|---|---|
| 123D | .123d;.123dx | Autodesk 123D apps format | Autodesk |
| 12D | .12da | 12D Ascii Civil View format | Autodesk |
| 3DS | .3ds | 3D Studio scene | Autodesk |
| 3MF | .3mf | XML-based new 3D printing format | 3MF |
| 3PS | .3ps | Print Studio file | Autodesk |
| A3S | .a3s | Autodek 3D scene (Showcase) | Autodesk |
| ACIS | .sat | ACIS file (ShapeManager) | |
| ADSK | .adsk | Autodesk compound exchange format | Autodesk |
| Alembic | .abc | Alembic format | Sony |
| ALG | .alg | Bentley InRoads alignment file | Bentley |
| AMF | .amf | Additive Manufacturing File, XML (ASTM F2915 standard) | ASTM |
| APF | .apf | Autodesk Packet file | Autodesk |
| ASE | .ase | Autodesk ASCII Scene Export | Autodesk |
| ASM | .smt | Autodesk Shape Manager text file format | Autodesk |
| AXM | .axm | FormIt 360 format | Autodesk |
| C4D | .c4d | Cinema 4D scene | Maxon |
| C4X | .c4x | CADDS 4 Double Precision | |
| CAM | .cam360 | Toolpath archive file | Autodesk |
| CatiaV4 | .model;.session | CATIA V4 model | IBM |
| CatiaV5 | .CATPart;.CATProduct | CATIA V5 part file | IBM |
| CityGML | .xml | CityGML urban objects XML | OGC |
| CSB | .csb | Cosmo3D binary, CSB geometry | SGI |
| DAE | .dae | Autodesk Collada model | Khronos Group |
| DDX | .ddx; .ddz | Autodesk Manufacturing Utlity | Autodesk |
| DGK | .dgk | Autodesk geometry (CAM) | Autodesk |
| DGN | .dgn | Bentley Microstation design file | Bentley |
| DMT | .dmt | Autodesk Machining Triangles (CAM) | Autodesk |
| DTM | .dtm | Bentley InRoads terrain model | Bentley |
| DWF | .dwf;.dwfx | Design web publishing format (2D/3D) | Autodesk |
| DWG | .dwg | AutoCAD drawing | Autodesk |
| DXF | .dxf | AutoCAD drawing interchange format | Autodesk |
| F3D | .f3d | Fusion 360 archive file | Autodesk |
| F3Z | .f3z | Fusion 360 distributed design file | Autodesk |
| FBX | .fbx | Multimedia content exchange file (Kaydara) | Autodesk |
| FIL | .fil | MX Civil format | |
| gbXML | .xml | Green Building Studio XML - energy analysis of building models | Autodesk |
| GeoJSON | .geojson | GeoJSON - geographic JSON XML file - simple geo features | |
| glTF | .glb; .gltf | glTF 2.0 (GL Transmission Format) | Khronos Group |
| GPK | .gpk | Bentley GEOPAK file | Bentley |
| Granite | .g | Pro/ENGINEER Granite model | PTC |
| IAM | .iam | Inventor assembly | Autodesk |
| IDW | .idw | Inventor drawing | Autodesk |
| IFC | .ifc | Industry Foundation Classes exchange format | AIA/buildingSMART |
| IGA | .iga | IsoGeometric Analysis file | |
| IGES | .igs;.iges | IGES exchange format (International Graphics Exchange Specification) | ANSI |
| IMX | .imx | IMX infastructure modeler format | Autodesk |
| IPT | .ipt | Inventor part | Autodesk |
| IV | .iv | Open Inventor file (Iris) | SGI |
| JT | .jt | JT visualization format | Siemens |
| KML | .kml;.kmz | Google Earth KML model (Keyhole Markup Language; WGS84+EGM96) | |
| LandXML | .xml | LandXML - land and civil projects XML format | |
| MA | .ma | Maya ASCII | Autodesk |
| MAX | .max | 3ds Max scene | Autodesk |
| MB | .mb | Maya binary | Autodesk |
| MFR | .mfr | Simulation Moldflow file | Autodesk |
| MIX | .mix | Meshmixer file | Autodesk |
| Navisworks | .nwd;.nwf;.nwc | Navisworks model | Autodesk |
| NX/UG | .prt | Siemens NX part (UGS, Unigraphics) | Siemens |
| OBJ | .obj | Wavefront OBJ format | Wavefront |
| OSB | .osb | OpenSG binary geometry | OpenSG |
| Parasolid | .x_t;.x_b | Parasolid model | Siemens |
| PDF-2D | .pdf;.ai | PDF document (Adobe Acrobat); import Illustrator | Adobe |
| PDF-3D | PDF 3D model (Adobe Acrobat) | Adobe | |
| PLY | .ply | Polygon file format (Stanford triangle format) | Stanford Lab |
| Pro/E+Creo | .prt;.asm | Pro/ENGINEER and Creo Parametric part and assembly | PTC |
| QSM | .qsm | QuadriSpace model | QuadriSpace |
| RCM | .rcm | Reality Capture Mesh (internal ReCap format) | Autodesk |
| RFA | .rfa | Revit family | Autodesk |
| Rhino | .3dm | Rhino model | Robert McNeel |
| RVT | .rvt | Revit project | Autodesk |
| SDF | .sdf | Spatial Data Format - spatial GIS data | Autodesk |
| Shoe | .shoe | ShoeMaker model | Autodesk |
| SHP | .shp | ESRI shape file | ESRI |
| SIM | .sim; .sim360 | Sim 360 simulation file | Autodesk |
| SKP | .skp | SketchUp model | Trimble |
| SMesh | .smesh | SMesh format for finite element solver TetGen | TetGen |
| SMT | .smt | Shape Manager text file | Autodesk |
| Solid Edge | .par | Solid Edge model | Siemens |
| SolidWorks | .sldprt;.sldasm;.prt;.asm | SolidWorks model | Dassault |
| SpaceClaim | .scdoc | SpaceClaim document | SpaceClaim |
| STEP | .stp;.step | STEP exchange format (STandard for Exchange of Product model data) | ISO10303 |
| STL | .stl;.stla;.stlb | Standard Tesselation Language, stereolithography (3D print format) | |
| SVG | .svg | Scalable Vector Graphics (XML vector graphics for HTML) | |
| Thing | .thing | 3D print format (Thingverse) | |
| TIN | .tin | Bentley GEOPAK surface file | Bentley |
| Top | .top; .cam | TopSolid model | TopSolid |
| TSM/TSS | .tsm; .tss | T-Splines native format | Autodesk |
| U3D | .u3d | Universal 3D Sample Software | 3D Industry Forum |
| USD | .usd;.usdz | Universal Scene Description (3D, AR, VR) | Pixar |
| VDA-FS | .vda | VDA-FS (German) | VDA |
| VRML | .wrl;.wrz | Virtual reality markup language | |
| VTFX | .vtfx | Simulation CFD file | Autodesk |
| VUE | .vue | SmartPlant 3D file | Intergraph |
| Wire | .wire | Alias wire format | Autodesk |
| XGL | .xgl;.zgl | XGL/ZGL publish file | MegaBitz |
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The listed 3D CAD formats may be available in multiple versions and variants, please check their compatibility in the documentation of the respective CAD application. Free and Trial versions of the listed applications can be downloaded from the Download section.
Please contact your Autodesk reseller for detailed technical support to CAD formats.
