If you want to Free 7z password recovery then try eSoftTools 7z Password Unlocker software. This software is completely tested by all windows and 7z variants. Always accessible a performance option on the screen to check the recovery position at any time. Unlock the first 3 characters of the password with the free demo pack. It restores complete password combinations without any failure by applying Mask attack, Brute force attack, and Dictionary attack.
You can use the SysInspire 7z Password Recovery Software for better results. The working process of the software is very easy and safe for all the known and unknown users. Both the users can use the software easily without any harm from viruses. It has three strategies to recover the 7z file password such as:-Mask Attack, Dictionary Attack, and Brute Force Attack and has a free demo version showing the first three characters of the password. I am sure that is the best software to recover any type of 7z file password.