Use the 7z2john.py script to extract the hash from your archive.
If you are tech-savvy and want a powerful, solution that runs locally on your machine, John the Ripper is the gold standard. It is an open-source password security auditing tool. To use it for 7-Zip: 7zip password unlocker online free top
Top 7-Zip Password Unlockers: How to Recover Your Files for Free Online Use the 7z2john
Completely free; private (files never leave your computer). Cons: Steeper learning curve; requires command-line usage. 3. Hashcat (The Fastest Local Recovery) 7zip password unlocker online free top