DGN

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File Format
Name DGN
Ontology
Extension(s) .dgn
PRONOM x-fmt/346, fmt/502
Wikidata ID Q47012446
Released 1985

DGN is a CAD design file format used by MicroStation and some other software. It competes with DWG from Autodesk. There is a standardized version to specs from Intergraph (part of their Intergraph Standard File Formats), but also a variant (V8 DGN) from Bentley Systems, makers of MicroStation.

Contents

Specs

Format Information

Early versions up to V7 DGN of DGN format are binary formats, V8 was changed to be a an "OLE2" document container format.

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