> For the complete documentation index, see [llms.txt](https://autodesk.ifc-manual.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://autodesk.ifc-manual.com/civil3d.md).

# Civil3D

- [IFC 4.3 Support](https://autodesk.ifc-manual.com/civil3d/ifc-4.3-support.md)
- [Classic AutoCAD Export (IFC2x3)](https://autodesk.ifc-manual.com/civil3d/classic-autocad-export-ifc2x3.md)
- [Standardized Data Tool for Civil 3D](https://autodesk.ifc-manual.com/civil3d/standardized-data-tool-for-civil-3d.md)