MicroStation design files (.dgn) are still supported in plenty of other 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 ISO STEP product data (.stp, .step) files via dgn to step conversion.
Home > Search converters: dgn to step
Conversion of dgn file format to step file format beta
Search for dgn to step converter or software able to handle these file types.
Convert MicroStation drawing to ISO-10303 STEP product data file.
We have found 6 software records in our database eligible for .dgn to .step file format conversion.
Microsoft Windows software 
- convert dgn to step 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 step file | Yes, AutoCAD supports step file conversion as a target file type. | Yes | Yes | step editor | Yes | No | No | 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 step. 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
MicroStation
A CAD software from Bentley used for 2D and 3D design and drawing
Solid Edge
A feature rich 3D CAD software by Siemens
Creo Parametric
A complete 3D modeling software solution by PTC
Apple macOS / Mac OS X software 
- convert dgn to step on OS X
TurboCAD for Mac
A 2D/3D CAD software for OS X
Additional links: Open dgn file, Open step file
DGN
Files with dgn extension might be found as CAD design files created using the MicroStation software.
STEP
Files with step extension are quite often found as 3D model / part files saved in STEP (Standard for the Exchange of Product Data) format.
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