Do you have about where the file was found or what you expect it to contain?
: Files like "Zły dotyk" (Bad Touch) are known mods for games like Fallout: New Vegas , though "T.H." specifically is not a standard tag for these. Dotyk-T.H.7z
: You will need an archive manager like 7-Zip or WinRAR to open it. Do you have about where the file was