CPP File Extension
C++ Source Code Format
- File Type cpp
- Developer Standard C++ Foundation
- Popularity
- Application Eclipse IDE
- Category Developer Files
- Format Text
What is a CPP file?
C++ Source Code Format, identified by the CPP extension, is a Developer Files type and includes 1166 files.
CPP file support extends to various operating systems, including Mac OS, Windows and Linux. When working with CPP files, you can rely on 14 programs, including Xcode, Eclipse IDE and Microsoft Visual Studio.
Programs that support CPP files
How to open a CPP file?
If you can’t open a CPP file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
When it comes to opening and working with CPP files, Xcode, Eclipse IDE and Microsoft Visual Studio are the top choices for users. To install the updated version of Eclipse IDE, simply go to the Eclipse site and download the installer compatible with all major platforms.
Once the process is complete, Eclipse IDE should take over as the default application for CPP files.
Set Eclipse IDE as the default CPP program
Changing Default Programs in Windows
- Right-click on your CPP file, then choose the "Open with" option and select "Choose another application" from the available options;
- In the pop-up window, select the Eclipse IDE application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening CPP files.
Change Default Program on Mac
- Right click or Control + left click on the desired CPP file;
- Select "Open in application" and click "Other";
- At the bottom of the window, you will find the "Enable" menu. Default, will be set to "Recommended Programs";
- Choose "All Programs" in this menu and search for Eclipse IDE. Check the box next to "Always open in app" to make it the default program.
How to edit a CPP file?
To edit CPP files, it is essential to install software that supports not only viewing but also editing the developer files. Online CPP editors provide limited functionality compared to full-featured software for C++ Source Code Format.
List of Top CPP editors 2026
Based on the criteria above, here is a selection of CPP editors you can use.
| CPP Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.8 out of 5 (42 reviews) |
| C++ Builder | Embarcadero | Windows | 4.6 out of 5 (35 reviews) |
| RAD Studio | Embarcadero | Windows | 4.6 out of 5 (44 reviews) |
| Xcode | Apple | Mac OS | 4.6 out of 5 (41 review) |
| Windows Notepad | Microsoft | Windows | 4.5 out of 5 (41 review) |
| Eclipse IDE | Eclipse | Windows | 4.4 out of 5 (40 reviews) |
| Code::Blocks | Code::Blocks | Windows | 4.3 out of 5 (42 reviews) |
| CodeWarrior Development Studio | Freescale | Windows | 4.3 out of 5 (42 reviews) |
| GNU Emacs | FSF | Linux | 4.3 out of 5 (37 reviews) |
| Microsoft Visual Studio | Microsoft | Windows, Mac OS, Linux | 4.1 out of 5 (38 reviews) |
Solve problems with CPP files
Rest assured, any issues with CPP files can typically be addressed with simple software adjustments. See the tips below for help.
Why does Eclipse IDE stop responding or crash intermittently?
Eclipse IDE crashes can be caused by outdated software. Keep your Eclipse products up to date by installing the latest updates.
Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.
What are the best practices for repairing a CPP file that has gone bad?
Use a data recovery program to open the damaged CPP file and from the menu choose "Repair" function to start the repair process. Allow the recovery process to complete, which will automatically repair the damaged developer files.
What are the warning signs that my CPP file may be corrupted?
Common indications of damaged CPP developer files are:
- Error messages appear during the course of working with the file;
- Editing the archive in Xcode results in slow or unresponsive behavior;
- Opening the file results in an error or a failed attempt;
- Unexpected expansion of the total size of the CPP file;
- Opening the file in Eclipse IDE or other programs causes them to hang or crash;