CAD file extensions
Computer-aided design and technical drawing formats used in engineering, architecture, and manufacturing.
Total extensions in this category: 7
Extensions in CAD
Explore the most searched extensions in this category.
- .stp
STEP (ISO 10303) Part 21 CAD exchange file
.stp is a STEP (ISO 10303) 3D CAD exchange file, typically a STEP physical file per ISO 10303-21 (Part 21). It’s commonly used to transfer 3D product geometry between CAD systems.
- .step
STEP (ISO 10303-21) CAD exchange file
.step is a widely used neutral CAD exchange format for sharing 3D product model data between different CAD systems. You typically open it by importing it into a CAD program such as Autodesk Fusion.
- .ifc
Industry Foundation Classes (IFC) BIM exchange file
.ifc is an open Building Information Modeling (BIM) exchange format used to share building and infrastructure models between different design, construction, and facility-management applications.
- .cdr
CDR CAD drawing
.CDR is the native drawing document format for CorelDRAW, commonly used for vector graphics, page layout, and print workflows. The most reliable way to open it is with CorelDRAW on a desktop computer.
- .cgm
CGM CAD drawing
.CGM (Computer Graphics Metafile) is an ISO/IEC 8632 standard graphics metafile that can store 2D vector graphics, raster graphics, and text. It is commonly used for technical illustrations and interchange between systems that support CGM.
- .dwg
AutoCAD Drawing File
.DWG is a CAD drawing format best known as AutoCAD’s native drawing file, used for 2D/3D design and technical documentation. Open it with Autodesk AutoCAD or a DWG viewer such as Autodesk DWG TrueView.
- .dxf
CAD Exchange Drawing (DXF)
.DXF is Autodesk’s Drawing eXchange Format, widely used to exchange 2D/3D CAD drawings between different applications. It’s commonly opened and edited in CAD programs such as AutoCAD-compatible tools and LibreCAD.