File Extension Library

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.DR4 File Extension

  • Developer by: Knowledge Base Software
  • Category: 3d graphics, CAD-CAM-CAE Files

What are .DR4 files and how to open them?

Can't open .DR4 file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .DR4 file.

What is a .DR4 file extension?

.DR4 file extension is created by Knowledge Base Software. .DR4 has been classified as 3d graphics, CAD-CAM-CAE Files.

.DR4 is AllyCAD drawing

The dr4 file extension is mainly associated with the AllyCAD 2D and 3D CAD modeling application for civil engineering. A .dr4 file stores CAD drawing created and saved in the program.


How to open:

Use AllyCAD to open DR4 CAD drawing files.

How to convert:

It is likely that .dr4 drawings can be exported to other similar or exchange formats.

How to fix problems with .DR4 files

  1. You need to update the application that you normally use to open .DR4 files. Only the latest version of the software supports the current .DR4 file format
  2. You need to check the .DR4 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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