ArcGIS Pro reads CAD files as CAD feature datasets that contain read-only CAD feature classes. The following table identifies the supported CAD entities from AutoCAD and MicroStation and the corresponding ArcGIS feature class geometry types.
Note:
Content stored in AutoCAD paper space is not translated, and it is not viewable in ArcGIS Pro.
| ArcGIS CAD feature class | AutoCAD entity | MicroStation element | 
|---|---|---|
Annotation (point feature type) 
  | Text  | Text  | 
Multiline text  | ||
Block attributes defined as visible  | ||
Point  | 
External reference  | |
Block reference 
  | Cell header  | |
Point  | ||
Polyline  | 3D face  | 
 Shape  | 
3D polyline  | 
 Complex shape  | |
Arc  | 
 Arc  | |
Circle  | 
 Curve  | |
Ellipse  | 
 Ellipse  | |
Block reference (supported entities only)  | 
 Cell header  | |
Line  | Line  | |
LWPolyline  | Line string  | |
MLine  | Multiline  | |
Polyline  | 
 Complex chain  | |
Solid  | Surface  | |
Spline  | ||
Trace  | ||
Polygon  | 3D face  | 
 Shape  | 
3D polyline (closed)  | 
 Complex shape  | |
Circle  | ||
Ellipse  | 
 Ellipse  | |
Block reference (supported entities only)  | 
 Cell header  | |
LWPolyline (closed)  | ||
MLine (closed)  | ||
Polyline (closed)  | ||
Solid  | Solid  | |
Spline (closed)  | ||
Trace  | ||
Multipatch  | 3D face  | |
3D polyline (closed)  | 
 Complex shape  | |
Block reference (supported entities only)  | 
 Cell header  | |
LWPolyline (closed)  | ||
MLine (closed)  | ||
Polyline (closed)  | ||
Solid  | Solid  | |
3D Solid  | ||
Mesh  | Mesh  |