To recover passwords from a locked 7z file, install eSoftTools 7z Password Recovery Software on your system. This tool can recover 7z file passwords in a variety of formats from 7z files, including difficult, special characteristics, long, and so on. It uses one of three methods to retrieve any password: brute force, mask attack, or dictionary attack. It can unlock password protected 7z file in a variety of languages. It is compatible with all Windows OS versions up to and including 10.