What is a .DWG file? (How to open & convert)
Learn what .DWG is, how to open it, and use an embedded local-only tool for common tasks.
Overview
.DWG DWG is the industry-standard format for 2D and 3D design data. It is the native format for AutoCAD but is notoriously difficult to open without expensive specialized software.
Basic info
- Full name: AutoCAD Drawing Database
- Developer: Autodesk
- Category: CAD / Vector Image
How to open a .DWG file
On macOS: AutoCAD for Mac or specialized viewers like CorelCAD.
On Windows: Typically requires Autodesk AutoCAD, DWG TrueView (free viewer), or LibreCAD.
On mobile: The AutoCAD mobile app can view DWG files, but performance depends on the device hardware.
Try a related tool
Use a local-only tool (no uploads) for common tasks.
Related extensions
Browse similar formats in the Wiki.
Technical characteristics
- Stores complex vector geometry, layers, and metadata.
- Supports 3D coordinates and solid modeling data.
- Binary format that is much more compact than the text-based DXF equivalent.
Common scenarios
- Architects sharing blueprints with clients who don't have CAD software.
- Engineers converting technical drawings to PDF for easy printing.
- Extracting a quick image preview of a design for a presentation.
Security notes
DWG files can occasionally contain macros or scripts. Only open DWG files from trusted engineers or architects.