>> TRJ file

TRJ file format description

Many people share .trj files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .trj file can be edited, converted or printed with. On this page, we try to provide assistance for handling .trj files.

1 filename extension(s) found in our database.

.trj - GROMACS Trajectory of a Simulation Data

The TRJ data files are related to GROMACS. TRJ file is a GROMACS Trajectory of a Simulation Data. GROMACS (GROningen MAchine for Chemical Simulations) is a molecular dynamics simulation package originally developed in the University of Groningen.

Data files
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GROMACS Trajectory of a Simulation Data related extensions:
GROMACS Essential Dynamics Information
GROMACS Essential Dynamics Output
GROMACS Portable Energy Data
GROMACS Binary Energy File
GROMACS Include Topology

Naturally, other applications may also use the .trj file extension. Even harmful programs can create .trj files. Be especially cautious with .trj files coming from an unknown source!

Can't open a .trj file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .trj file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

trn, trk, trm, frj, try, tr, tru, tri

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

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Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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