HXX File Extension
C++ Source Code Header Format
- File Type hxx
- Popularity
- Application C++ Builder
- Category Developer Files
- Format Text
What is a HXX file?
The HXX extension is related to C++ Source Code Header Format and is classified in the Developer Files category, which contains 1166 files.
HXX file support extends to various operating systems, including Windows, Mac OS and Linux. There are 3 programs available to open a HXX file, including popular tools like C++ Builder, Sublime Text and Visual C++.
Programs that support HXX files
How to open a HXX file?
If you are having trouble opening a HXX file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.
Thanks to their popularity, C++ Builder, Sublime Text and Visual C++ are often the go-to programs for managing HXX files. If you want the most recent release of C++ Builder, head over to the Embarcadero site and download the version designed to run on all platforms.
After completing the installation, HXX files should be recognized by the system and linked to C++ Builder.
Set C++ Builder as your default HXX viewer
Set default app to open files on Mac
- Right-click or Control + left-click on the desired HXX file to open a menu of available actions;
- Choose "Open in Application" and click "Other";
- In the lower section of the window, you’ll find the "Enable" menu, with "Recommended Programs" pre-selected as the default option;
- Select "All Programs" in this menu, and then search for C++ Builder. Check the box next to "Always open in app" to make sure it’s the default option.
Change a default app in Windows
- To get started, right-click your HXX file, then choose "Open With" and select "Choose Another Application" from the context menu;
- From the list of applications in the pop-up window, find and select C++ Builder as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening HXX files.
Solving Common HXX File Challenges
While HXX files can sometimes present difficulties, most problems can be resolved quickly with minor software modifications. Check the tips below to help solve them.
What Causes C++ Builder to Crash Frequently?
Insufficient software updates are a likely cause of C++ Builder crashes. Be sure to install the latest updates for Embarcadero products.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.
How can I restore a damaged HXX file?
Start a data recovery program and open the damaged HXX file. Then, choose the "Repair" option from the menu. Allow the recovery process to complete, which will automatically repair the damaged developer files.
How can I determine if my HXX file is damaged?
Characteristics of corrupted HXX developer files can include:
- C++ Builder or other programs stop responding or crash when trying to handle the file;
- Error notifications appear during file manipulation;
- When opening the file, errors occur or the inability to access its contents;
- Unexplained HXX file size inflation;
- Editing the archive in C++ Builder is hampered by poor overall performance;
How to edit a HXX file?
To modify HXX files, you need to install special software that makes it possible to open and edit developer files. Online HXX editors are more restricted compared to software designed for C++ Source Code Header Format.
Best HXX Editor Software in 2026
Taking the above factors into account, we have selected a list of HXX editors currently available.
| HXX Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Visual C++ | Microsoft | Windows | 4.2 out of 5 (43 reviews) |
| C++ Builder | Embarcadero | Windows | 4.1 out of 5 (33 reviews) |