.DGN File Extension

Bentley Systems
File Type:
MicroStation Design File

Having trouble opening .dgn extension? Don't panic! This page explains what dgn files are as well as suggests programs you may use to open dgn files. You can download these programs through this page.

What is a DGN file?

Dgn file extension has MicroStation Design file type, developed by Bentley Systems, which is associated with the "cad files" category.

Associated with MicroStation, the file is usually based in the Intergraph Standard File Format (ISFF) or the V8 DGN standard. Users can convert it to the .DWG file format with AutoCAD LDT. DGN files may be access via either Bentley Systems MicroStation, or Bentley View.

To learn how you can open the given file, read the information below.

dgn file icon
Bentley Systems
File Type:
MicroStation Design File
CAD Files

How to open DGN file?

Double click the dgn file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .dgn extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the dgn extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the dgn file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open DGN files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the dgn file as well. Download Universal File Viewer for your OS.

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