dgn

doc iconDgn extension stands for MicroStation, ArcView drawing file. These file formats can be used with Microstation or ArcView softwares.

It may be opened by different drawing files. Cad is a drawing file format. You may have Microstation or Arcview softwares. If you have, you may try to run these extensions with one of them. 

Gnerally dwg and dgn files are drawn by Autocad kinf of softwares. You may download DrawViewer free for running these file formats.

What to use dgn

MicroStation, ArcView

which page related to dgn file

http://www.esri.com/software/arcgis/arcview

dgn Related Searches

You can check related links about dgn fileextension.