.CON File Extension

File Type:
Concept Application Source File

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

What is a CON file?

Con file extension has Concept Application Source file type, developed by RadGs, which is associated with the "web files" category.

These are source files of the program created for the Concept Application Server. Their main purpose is to establish bi-directional communication between the server and users. For access, you will need the Concept Client, which is included in the Concept Server package.


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

con file icon
File Type:
Concept Application Source File
Web Files

How to open CON file?

Double click the con 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 .con 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 con 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 con 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 CON files

  • Windows Windows
    • Run with RadGs Concept Application Server Run with RadGs Concept Application Server
    • View in a Web browser View in a Web browser
  • Linux Linux
    • Run with RadGs Concept Application Server Run with RadGs Concept Application Server

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 con file as well. Download Universal File Viewer for your OS.

Download for Win
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Download for Mac
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