.CNA File Extension

OpEx Software
File Type:
Catena Project File

Having trouble opening .cna extension? Don't panic! This page explains what cna files are as well as suggests programs you may use to open cna files. You can download these programs through this page.

What is a CNA file?

Cna file extension has Catena Project file type, developed by OpEx Software, which is associated with the "data files" category.

Catena is a business application for performance optimization. It saves its projects in files with this extension. They contain project information that could be used for improving quality and profitability of the service.

To learn how you can open the given file, read the information below.

cna file icon
OpEx Software
File Type:
Catena Project File
Data Files

How to open CNA file?

Double click the cna file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .cna extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the cna extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the cna file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open CNA files

  • Windows Windows
    • OpEx Catena OpEx Catena

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the cna file as well. Download Universal File Viewer for your OS.

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