If you want to recover lost 7z file password try a software called eSoftTools 7z password recovery. It comes with various password recovery methods like Brute Force Attack, Mask Attack, and Dictionary attack. Try a free demo version of this software that gives only user satisfaction in which the user can restore the initial 3 letters of the lost password.
Read more:- Recover lost 7z file password
Read more:- Recover lost 7z file password