I don't know how credible this website is but it looks like it has potential. (http://www.solvusoft.com/en/file-extensions/file-extension-drs/) Excerpt: "DRS File Analysis Tool™ Unsure about which type of DRS file you have? Do you want to know exactly what it is, who created it, and how to open it? Finally, you can now discover everything you need to know about your DRS file... instantly! The revolutionary DRS File Analysis Tool™ scans, analyzes, and reports back every detail about your DRS file. Our patent-pending algorithm quickly analyzes your file, and within moments, presents this inform
