You need to remove 7zip password by using this advance SysInspire 7z password recovery software this is provide you free demo version and give you three techniques such as brute force attack, mask attack, and dictionary attack. the GUI or UI of this tool is very simple. This software easily remove any possible combination password like asg54$#^, %^&653fdhuy, 76vhn%*#$ etc.
Get the details - https://www.sysinspire.com/7z-password-recovery-software/