Home : File Types : DGN File

.DGN File Extension

File TypeMicroStation Design File

DeveloperBentley Systems
3.7 (53 Votes)
CategoryCAD Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

What is a DGN file?

2D/3D drawing format used by MicroStation construction design software; based on either the Intergraph Standard File Format (ISFF) or the newer V8 DGN standard; can be converted to the more universal .DWG format by AutoCAD LDT.

More Information

DGN files can be opened by Bentley Systems MicroStation or the free Bentley View program. The DGN format is also supported by several other third-party programs.

The DGN extension is short for "design."

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Programs that open DGN files
Updated 1/16/2013

About DGN Files

Our goal is to help you understand what a file with a *.dgn suffix is and how to open it.

The MicroStation Design file type, file format description, and Mac and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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