What is a sty file and how do I open a sty file?
A file with an STY extension is a style definition file used for formatting a LaTeX document. It defines line styles, labels, formulas and other information, and is saved in text format in which definitions begin with a backslash and comments begin with a percentage sign. LaTeX style files are often referenced by LaTeX documents.
Relevant sty file links:How to open sty file on Youtube
How to open sty file on Wikipedia
How to open sty file on Microsoft.com