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.

How to Create Encrypted Zip Files on Mac. If you use a Mac computer in your small business, you probably have sensitive information and store private data in files and folders on your computer.