File extension DTN (.DTN) information

Windows cannot open DTN files?

If Windows is unable to open file extension .DTN you may have registry related errors or may not have the appropriate program installed. We strongly recommend that you run a free registry scan.

Appropriate program:

DTN is a file extension associated with TunnelCAD Import/Export files . Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair DTN file extension association errors.


  • Performance: To optimize memory and CPU usage for DTN files run a free performance scan.
  • Stability: Fix DTN errors to make your system and applications more stable.
  • Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.

You are currently viewing the detail page for ABF file extension. This page contains a detailed description of the ABF file type, software tools to help resolve file association errors in the Windows registry together with relevant system utility applications and other related information.