File Extension Library


.CNO File Extension

  • Developer by: Teldas GmbH
  • Category: Various data Files

What is an .CNO file?

.CNO file extension is created by Teldas GmbH. .CNO has been classified as Various data Files.

.CNO is INet-Server error description

The cno file extension is associated with the INet-Server, an on-line tool, which enables users to connect to Swiss central database.

The cno file contains error report generated by INet-Server.


How to open:

Use INet-Server to work with *.cno files.

How to convert:

As far as we know, this .cno file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to Open .CNO file on different platforms

Open .CNO File on Windows

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

Open .CNO File on Mac

  • Right-click (or Ctrl + Left-click) the .CNO 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 .CNO File on Linux

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

Open .CNO File on iPhone

Select a file. If you don't see an application to open the .CNO 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 .CNO 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 .CNO files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .CNO files

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