Given the components of the file name, it's possible that this file is related to a software product from a company called Soundtoys. Soundtoys is a well-known audio processing software company that offers a range of plugins and effects for music production.

Whether you've found this in your backups or are trying to get an old project running, here is everything you need to know about this classic software bundle. What is Soundtoys v4.0.2?

bundle, specifically version 4.0.2 released around 2010. While this specific file format is often associated with unauthorized distribution, version 4.0.2 was a milestone update that brought several improvements to the official Soundtoys suite. Key Features of Version 4.0.2

Soundtoys is a real, respected company making effects plugins (EchoBoy, Decapitator, Crystallizer, etc.).