How do I open a .DGN file on Windows or Mac?

You can open .DGN files using Bentley MicroStation, Bentley View (Free), Autodesk AutoCAD, FME Desktop, Global Mapper. If you do not have native software installed, you can use OpenAnyFile's free File Identifier or convert .DGN to a standard format in your browser.

Is a .DGN file safe to open?

This format carries a safety rating of Low Risk. Primary CAD format for civil transportation engineering projects

Can I convert a .DGN file to other formats?

Yes! .DGN can be converted to formats such as .DWG, .PDF, .DXF directly in your web browser.

What should I do if a .DGN file is corrupted or won't open?

If your .DGN file displays an invalid header or signature error, check its magic bytes hex header (Varies) using OpenAnyFile's Magic Byte Detector or follow our step-by-step file repair guide.

How do I open .DGN files?

You can open .DGN files using Bentley MicroStation, Bentley View (Free), Autodesk AutoCAD, FME Desktop, Global Mapper.

CAD & 3D • MIME: image/vnd.dgn

.DGN – DGN File Format

Q: What is a .DGN file?

A .DGN file is a DGN File Format associated with CAD & 3D. DGN (Design) is the CAD file format used by Bentley Systems MicroStation for infrastructure engineering, highway design, utilities, and plant modeling.

DGN (Design) is the CAD file format used by Bentley Systems MicroStation for infrastructure engineering, highway design, utilities, and plant modeling.

Primary Category CAD & 3D

MIME Type image/vnd.dgn

Magic Bytes Signature Varies

Security Risk Rating Low Risk

Recommended Software to Open .DGN

Bentley MicroStation

windows, mac, linux • Free

Bentley View (Free)

windows, mac, linux • Free

Autodesk AutoCAD

windows, mac, linux • Free

FME Desktop

windows, mac, linux • Free

Global Mapper

windows, mac, linux • Free