AutoCAD 2008 User's Guide > Share Data Between Drawings and Applications > Work with Data in Other Formats > Import, Attach, or Open Other File Formats > Attach DGN Files as Underlays > Attach and Detach DGN Underlays > 
Attach and Detach DGN Underlays
Concept Procedure
 
 
 

To attach a DGN as an underlay

To detach a DGN underlay

To unload or reload a DGN underlay