I am going to tell you the best eSoftTools 7z Password Recovery software to open a password-protected 7z file. This software has three best methods:- Brute Force Attack, Mask Attack and Dictionary Attack and it can recover any complex passwords including Alphabetic Characters, Numeric Characters, Sepial Characters, etc. 7z Password works on all versions of Windows:- 11, 10, 8.1, 8, 7, XP, Vista, etc. And you can try its free demo after downloading it.