A daily updated filename extension database!

TRJ file extension

The table below provides useful information about the .trj file extension. It answers questions such as:

  • What is the .trj file?
  • What program do I need to open a .trj file?
  • How can the .trj file be opened, edited or printed?
  • How can I convert .trj files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ GROMACS Trajectory of a Simulation Data

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.
Category: Data files
Application: GROMACS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
TRJ aliases:
TRJ related links:
TRJ related extensions:
GROMACS System Topology

GROMACS Include Topology

GROMACS Residue Topology

Grace Document


GROMACS Binary Input File


GROMACS Portable Binary Input File

GROMACS Trajectory File

GROMACS Binary Energy File

Other types of files may also use the .trj file extension.

🚫 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:

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

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

TCL Trace Output
TomeRaider 2 E-book
CIRS Transaction Data
FreeForm-J Project
Oracle Documaker Transaction Data
Concordance Transaction Tracking Data
Neuroscan Triangulated Surface Data
True BASIC Source Code
Terminal Settings
FreeSurfer Triangular Surface Data

🔴 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .trj file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .trj file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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