The best way to recover lost 7z password just to use SysInspire 7z password recovery software that can support all versions of the 7z file and Windows up to 10.this tool is unlock complex passwords having including alphabetic, numeric, symbolic, and special character passwords. this gives you easy recovery methods to recover 7z password are brute force attack, mask the attack, and dictionary attack.
More info:- Recover lost 7z password
All the tools mentioned are using brutal force to try possible combinations, and they demonstrated exactly why password protected encryption is not secure at all. Although 7zip can uses 256 bit AES encryption which itself can’t be cracked by brutal force in anyone’s lifetime, but the password that it uses to protected the encryption key is the weak link, simply because it need to remembered by human being.
Unfortunately almost all the encryption software on the market is using password while lack of self-destruction mechanism like Iphone or Android has to protect against brutal force attach. That gives you a false sense of security and it could be worse than no security in which case you might be more careful with the file.