A tri file extension is associated with the Texmake utility for Quake 1 computer game and used for its output files.
TRI file extension - Quake Texmake utility output data
What is tri file? How to open tri files?
The tri file extension is related to one of the utilities for Quake called Texmake, which takes an alias/wavefront tri file and generates a wireframe outline on an lbm page for artists to draw in.
This one will ease creation of skins for mdl objects a lot.
This tri file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
The default software associated to open tri file:
Company or developer:
id Software LLC
Quake is legendary first person shooter computer game developed by id software based on id Tech 1 engine (also known as Quake Engine). The player takes the role of an unnamed protagonist sent into a portal in order to stop an enemy code-named Quake.
List of recommended software applications associated to the .tri file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open tri file, edit tri file, convert tri file, view tri file, play tri file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with tri file - Quake Texmake utility output data
Click on the software link for more information about Quake. Quake uses tri file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).