CXX File: What is it?

Written by:   |   Revised: November 26, 2018

Microsoft Silver

CXX File Summary

Our most recent information indicates that CXX files are associated with only a single known file type, the C++ Main Source Code File Format format, and can be viewed primarily with Eclipse CDT, including two other known software applications (listed below). Generally, these files are considered Developer Files.

Windows, Mac, and Linux operating systems can be used to view CXX files. Both desktop and mobile devices enable you to view and (sometimes) edit these files, depending on the software used. The Popularity Rating for CXX files is "Low", which means these files are not ordinarily found on an everyday user's device.

Please see the detailed information below to learn more about CXX files and the programs that can open them. In addition, we provide simple troubleshooting information to help you open your CXX file.

Low
Universality
6490
Position

/ 11690

Active

Mode

26

November

2018

Page Last Updated

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Known CXX Files


Dominant CXX File Type

.CXX
File Name:.cxx
Group:C++ Main Source Code File Format

A CXX file is a source code file written in C++. It may contain a standalone program or components that can be included in other C++ source files and is often edited with a text editor that includes syntax highlighting.

Programmer: Embarcadero Technologies
Function:Developer Files
Key: HKEY_CLASSES_ROOT\.cxx

Software Programs That Open The C++ Main Source Code File Format:


Eclipse CDT by The Eclipse Foundation

Windows
Mac
Linux

Eclipse IDE for Java Developers by The Eclipse Foundation

Windows
Mac
Linux

Apple Xcode by Apple

Mac
iOS
OS X El Capitan

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CXX Usage


OS Hierarchy

Windows (82.33%)
Android (11.56%)
iOS (3.43%)
Macintosh (1.71%)
Linux (0.60%)


Sources of CXX Problems


Common CXX Opening Problems

Eclipse CDT Disappeared

You attempt to load your CXX file and get an error such as "%%os%% Can't Open The CXX File Extension". If this is the case, it's usually due to the fact that you do not have Eclipse CDT for %%os%% installed on your computer. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: When you have another program installed that you know will open your CXX, you can select it from the other programs listed (see "Show Apps").


Outdated Eclipse CDT

In some cases, you might have a newer (or older) version of a C++ Main Source Code File Format file that is unsupported by your installed application version. Download the latest Eclipse CDT version from the The Eclipse Foundation website to ensure you have the correct one installed. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.


Tip: You can sometimes get hints about the right program version by right-clicking on the CXX file, selecting "Properties", and looking at the version information.


Ultimately, most of the difficulties opening CXX files are due to having the wrong version of Eclipse CDT installed.


Other Causes of CXX File Opening Problems

Errors opening C++ Main Source Code File Format files can still occur even with the latest Eclipse CDT software installed on your computer. If you're still experiencing problems opening CXX files, there could be other computer problems. Issues that aren't software-related:

  • Windows Registry CXX file paths that are incorrect
  • Unintentional removal of the description of the CXX file inside the Windows Registry
  • Corrupt install of Eclipse CDT or other CXX-related program
  • File corruption affecting your CXX file
  • CXX file integrity has been compromised by malware
  • Device drivers for CXX-related hardware are out-of-date
  • Your PC doesn’t have enough available resources to open the C++ Main Source Code File Format file

Quiz: What file extension is an audio file?








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