If you do not know the password, you need to recover it first. But you can extract archive to a folder, and then add all files to a new Zip archive without a password. Actually, you can't remove password protection from an already protected Zip archive with WinZip program. If you already know the password to the archive, it is simple. How to Remove the Password From the Zip archive?

Here is more information about the password recovery chances. Your chances to recover the password successfully are about 61% in this case. This is our 'nuclear weapon,' and a search through such a huge database may take up to 24 hours, depending on the file version and our computing cluster workload. If the password is not recovered with a free check, you will be offered a paid option to try a 20+ billion passwords database check. You can try a free check for weak passwords: it is successful in about 22% of all cases, and it takes only one or two minutes to see the result. What are the Chances of Recovering a Lost Password? If your file size exceeds the limit, please contact the Support Team for other options.

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