A quick Google search for something like "fix zip file" brings up a host of promising tools, some of which are free, and all promising that they're the ideal choice for all your archive repair needs.

DataNumen Zip Repair is a free ZIP recovery software for Windows to repair and extract corrupted Zip file. You can batch repair corrupted zipped files.

Do you want to add files to an existing ZIP file in Windows 11/10 without extracting and re-zipping everything? Follow this easy guide.

Microsoft is aiming to fix a lingering issue affecting .Zip files in the October 2018 Update by "early November." ...