MicroStation design files (.dgn) are well-supported in many CAD/CAM programs either by default or via special plugins, so you should have no trouble in importing them, processing them and exporting them to other formats should you need it, for example to IGES exchange format (.igs, .iges).
Home > Search converters: dgn to igs
Conversion of dgn file format to igs file format beta
Search for dgn to igs converter or software able to handle these file types.
Convert MicroStation drawing to IGES 3D exchange format.
We have found 7 software records in our database eligible for .dgn to .igs file format conversion.
Microsoft Windows software 
- convert dgn to igs on Windows
AutoCAD
Leading 2D and 3D CAD development software from Autodesk
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from dgn file | No | No | No | No | No | Yes | No | No |
to igs file | No | No | No | No | No | Yes | Yes | No |
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned dgn to igs. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
TurboCAD
A family of 2D/3D CAD software products for Windows
Creo Parametric
A complete 3D modeling software solution by PTC
MicroStation
A CAD software from Bentley used for 2D and 3D design and drawing
PolyTrans|CAD+DCC
A 3D CAD translation software
Solid Edge
A feature rich 3D CAD software by Siemens
Apple macOS / Mac OS X software 
- convert dgn to igs on OS X
TurboCAD for Mac
A 2D/3D CAD software for OS X
Additional links: Open dgn file, Open igs file
DGN
Files with dgn extension might be found as CAD design files created using the MicroStation software.
IGS
Files with igs extension can be found as 3D graphics models saved in International Graphics Exchange Standard (IGES) format used for data exchange.
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