.CXX File Extension

File Type:
C++ Source Code File

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

What is a CXX file?

Cxx file extension has C++ Source Code file type, which is associated with the "developer files" category.

These are source code files in the C++ programming language. It can be either a standalone program or a component that supports other C++ source files. Usually you can edit a CXX file with a text editor that has syntax highlighting features. CXX files can also have the .CPP extension instead, which is more common.  

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

cxx file icon
File Type:
C++ Source Code File
Developer Files

How to open CXX file?

Double click the cxx 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 .cxx 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 cxx 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 cxx 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 CXX files

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

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