You can use this application to Get back password for your 7z file. With the help of its three inbuilt password recovery techniques, eSoftTools 7z Password Recovery Tool can recover different types of passwords, including lengthy or short, alphabetical, numerical, symbolic mixed, combined, etc with - Dictionary attack, mask attack, and brute force. It works with all Windows versions. It has a free demo that shows the first three digits of the password. You can also use it to recover the password of other languages.

Get more:- 7z Password Recovery Software