Learn how to add a Password to zip files. Using free 7-Zip, you can encrypt & easily add a Password to zipped, archived & compressed files.

But what kind of encryption it provides depends on the program you use to create and open the ZIP file. The .zip format supports two forms of encryption and password protection.

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.