Files with dgn extension might be found as CAD design files created using the MicroStation software.
There is one other file type using
the DGN file extension!
.dgn - Dragon 32 emulator file
Detailed description
Software that open dgn file
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What is dgn file? How to open dgn files?
File extension dgn is used by MicroStation, a CAD program developed and marketed by Bentley Systems.
A .dgn file contains design created and used within the program. It is one of the main MicroStation formats.
The format was also adopted by several other programs.
The default software associated to open dgn file:
MicroStation 
Company or developer:
Bentley Systems, Incorporated
MicroStation is a CAD software used for 2D and 3D design and drawing developed by Bentley Systems. Latest versions of the software are released solely for Microsoft Windows
List of software applications associated to the .dgn file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open dgn file, edit dgn file, convert dgn file, view dgn file, play dgn file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting dgn files.
Software that open dgn file - MicroStation drawing
Programs supporting the exension dgn on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open dgn file action.
dgn file editor and apps that can edit dgn file - MicroStation drawing
Programs supporting the exension dgn on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for edit dgn file action.
dgn file viewer - programs that view dgn file - MicroStation drawing
Programs supporting the exension dgn on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Easy View for view dgn file action.
Programs that can create dgn file - MicroStation drawing
Programs supporting the exension dgn on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about MicroStation for create dgn file action.
Software that import dgn file - MicroStation drawing
Programs supporting the exension dgn on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for import dgn file action.
Applications that export dgn file - MicroStation drawing
Programs supporting the exension dgn on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for export dgn file action.
Unspecified and all other actions for computer programs working with dgn file - MicroStation drawing
Click on the software link for more information about MicroStation. MicroStation uses dgn file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
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MicroStation
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