TRX File Extension
Visual Studio Test Results Format
- File Type trx
- Developer Microsoft
- Popularity
- Application Notepad++
- Category Data Files
- Format XML
What is a TRX file?
Visual Studio Test Results Format, identified by the TRX extension, is a Data Files type and includes 6196 files.
The Visual Studio Test Results Format (TRX) was developed by Microsoft, which created file format and 242 programs to work with them.
TRX file support extends to various operating systems, including Linux, Mac OS and Windows. To open a TRX file, you can choose from 5 programs such as Atom, Notepad++ and PSPad.
Programs that support TRX files
How to open a TRX file?
If you cannot open a TRX file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.
When it comes to opening and working with TRX files, Atom, Notepad++ and PSPad are the top choices for users. If you want the most recent release of Notepad++, head over to the Notepad++ Team site and download the version designed to run on all platforms.
After installation, your operating system should automatically open TRX files with Notepad++.
Setting Notepad++ as default TRX viewer
Changing Default Programs in Windows
- Right click on your TRX file, then select "Open with" and click "Choose another application";
- Choose Notepad++ from the available applications listed in the pop-up window to set it as the default application to open your TRX file;
- Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.
Change the default app for a file type in Mac
- Initiate a right click or use Control + left click on the desired TRX file to open a menu where you can select various actions;
- Select "Open in application" and click "Other";
- Next, at the bottom of the window, you will see the "Enable" menu, in which "Recommended Programs" is selected by default;
- In this menu, select "All Programs", then find Notepad++ and check the box next to "Always open in the application."
How to edit a TRX file?
To edit TRX files, it is essential to install software that supports not only viewing but also editing the data files. Online TRX editors provide limited functionality compared to full-featured software for Visual Studio Test Results Format.
List of Top TRX editors 2026
Based on these criteria, we have prepared a list of available TRX editors.
| TRX Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.8 out of 5 (42 reviews) |
| PSPad | Jan Fiala | Windows | 4.4 out of 5 (43 reviews) |
| Atom | - | Windows, Mac OS, Linux | 4.3 out of 5 (39 reviews) |
| Microsoft Visual Studio | Microsoft | Windows, Mac OS, Linux | 4.1 out of 5 (38 reviews) |
| Notepad++ | Notepad++ Team | Windows | 4.1 out of 5 (40 reviews) |
Tips and tricks to solve problems with TRX files
There are some common issues with TRX files that can be resolved easily by making minor adjustments to your software. Below, you’ll find these issues along with practical troubleshooting tips.
What Causes Notepad++ to Crash Frequently?
The likely cause of Notepad++ crashing is lack of software updates. Install the latest updates available for Notepad++ Team products.
Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.
How can I restore a damaged TRX file?
Open the corrupted TRX file in a recovery program and select the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged data files.
How do I know if my TRX file is corrupted?
Common indications of damaged TRX data files are:
- The file shows errors when trying to open it or does not open completely;
- Editing the archive in Microsoft Visual Studio results in slow or unresponsive behavior;
- Opening or processing the file in Notepad++ or other programs causes instability or crashes in the program;
- Unexpected expansion of the total size of the TRX file;
- Error messages appear while working with the file;