TRN File
What are TRN files and how to open them
Are you having problems opening a TRN file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.
What is a TRN file?
A .TRN file is a Verity Collection Index Pending Transaction file.
TRN files are associated with Verity Collection Index, a powerful search and indexing technology designed for data retrieval and analysis on a large scale.
TRN files store data regarding alterations made to a Verity Collection Index prior to their official addition to the main index. This said data, stored in a pending transaction file, is employed to secure the accuracy and completeness of the main index as updates are applied.
The.TRN file format is critical to the Verity Collection Index system, offering a method to keep track of modifications and view them in real-time.
Companies that need to quickly and accurately search large amounts of data, such as enterprise search applications and online databases, use these files.
How to open TRN files
Important: Different programs may use files with the TRN file extension for different purposes, so unless you are sure which format your TRN file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested ten different TRN openers which you will find listed below.
Last updated: February 3, 2023
Various apps that use files with this extension
These apps are known to open certain types of TRN files. Remember, different programs may use TRN files for different purposes, so you may need to try out a few of them to be able to open your specific file.
![]() | NCDrive | User submitted |
![]() | HB | User submitted |
![]() | Microsoft Office | User submitted |
![]() | Editor | User submitted |
![]() | MissionCommander | User submitted |
![]() | ClearSCADA | User submitted |
![]() | MaxQi | User submitted |
![]() | Tourney Master | User submitted |
![]() | Digital CAT Translator/Editor Application | User submitted |
![]() | 9000XDrive | User submitted |
Help us help others
File.org helps thousands of users every day, and we would love to hear from you if you have additional information about TRN file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.
Not sure exactly what type of file you are trying to open? Try our new File Analyzer. It is a free tool that can identify more than 11,000 different kinds of files - most likely yours too! It will help you find software that can handle your specific type of file. Download File Analyzer here.