It would be very difficult to open the 7z file without the password. But I suggest SysInspire 7z Password Recovery software. Using this software you can recover 7z file password and open it easily. And it is Windows-based software so any user can run it
on all Windows o/s easily. And there is no long process for this software, just some simple steps are required, apply any method from the given three options, and after a few simple clicks, your password will be recovered. Otherwise, this software
includes a free demo version, you can try it for free.
Read More -
https://www.sysinspire.com/blog/how-to-open-password-protected-7zip-file/
Website -
https://www.sysinspire.com/7z-password-recovery-software/
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