Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .dtn

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .dtn file?
  • Which program can create the .dtn file?
  • Where can you find a description of the .dtn format?
  • What can convert .dtn files to a different format?
  • Which MIME-type is associated with the .dtn extension?
TunnelCAD Input/Output File .dtn file icon

TunnelCAD Input/Output File

DTN file is a TunnelCAD Input/Output File. TunnelCAD is a volume calculations and tunnel section editing. It is developed and sold by IQsoft.
Detailed description not available
Category: Data files
Application: TunnelCAD
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
TunnelCAD Coordinate Data

Other types of files may also use the .dtn file extension. If you have helpful information about .dtn extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Delphi Definition File
Bentley MicroStation Drawing
Adobe Dimension Model Data
RSNetWorx Project
DRAKON Editor diagram
Proben1 Dataset
Linux Device Tree Blob
Desktop Guitarist Music Score

The .dtn filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

xtn (1), dgn (1), tn (1), ctn (1), rtn (1), etn (1), dtm (1), dth (1), dtb (1), drn (1), dn (1), vtn (1), dfn (1), stn (1), ftn (1)

Can't open a .dtn file?

If you want to open a .dtn file on your computer, you just need to have the appropriate program installed. If the .dtn association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.dtn

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android