To recover lost 7z file password you will have to use SysInspire 7z password recovery software

you have to follow the below steps:-

• Open the software

• Browse the 7z file

• Choose recovery options

o Brute Force Attack

o Dictionary Attack

o Mask Attacks

• After the selection of recovery you can start your recovery with the best techniques.

Hope this review helpful for every user

You can also download from the website - 7z password recovery software