File Extension Library


.DT7 File Extension

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

What is an .DT7 file?

.DT7 file extension is created by Knowledge Base Software. .DT7 has been classified as 3d graphics, CAD-CAM-CAE Files.

.DT7 is Civil Designer project

The dt7 file extension is associated with the Civil Designer, a designing software for Microsoft Windows operating system, developed by Knowledge Base Software.

The dt7 file contains project from Civil Designer.


How to open:

Use Civil Designer to work with *.dt7 files.

How to convert:

Probably can be exported to other formats.

How to Open .DT7 file on different platforms

Open .DT7 File on Windows

  • Right-click a .DT7
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .DT7 file and Select check box "Always use this app to open .DT7 files" Press "Ok"

Open .DT7 File on Mac

  • Right-click (or Ctrl + Left-click) the .DT7 file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .DT7 File on Linux

Right click on the .DT7 file, choose "Open with" and select a program from the list above

Open .DT7 File on iPhone

Select a file. If you don't see an application to open the .DT7 file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .DT7 File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .DT7 files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .DT7 files

  1. You need to update the application that you normally use to open .DT7 files. Only the latest version of the software supports the current .DT7 file format
  2. You need to check the .DT7 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)