Want to recover 7z file password then go with eSoftTools 7z Password Recovery Tool, it recovers all complicated password within a few minutes by using Mask Attack, Brute Force Attack and Dictionary Attack. Also, it gives you full power to crack and unlock 7z file password of any combination or any length such as- English, Non-English, and Special character and so forth. 7z password unlocker comes with the free Demo version which gives three letters of the password.