What is .TRS file extension?
Contains language information installed by the Rosetta Stone installer; some are named by language (ENG01, FRA09, etc.), while the TRS config files are named "catmpc.trs," "credits.trs," and "cdid.trs."
Rosetta Stone is a language learning software program available for many different languages.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.