Opening TRX files

Did your computer fail to open a TRX file? We explain what TRX files are and recommend software that we know can open or convert your TRX files.

What is a TRX file?

The .trx file format refers to files that represent test results using Microsoft Visual Studio. Programmers use Microsoft Visual Studio to create applications that will run on Microsoft Windows operating system, Windows Mobile, .NET Framework, and Silverlight. They also use the IDE software in developing websites and Web programs.

Before setting a program or an application for the end-user utilization, programmers and designers are required to run multiple tests to identify any issues that have something to do with the viability and feasibility of the programs and applications they created. They consistently test the instructions and features of the newly- made programs before opening it for system wide use. The test results generated in the examinations and quality assessment are saved in Microsoft Visual Studio, tagged with TRX file extension.

The .trx file is a container file type, but its contents after prompting/opening are usually in .xml format. TRX files can also be opened using MS MSTest.

Try a universal file viewer

In addition to the products listed above, I would suggest that you try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and very likely yours too! Download Free File Viewer.

By Prof. Jones (The File Expert)

Chief Content Editor and File Expert

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