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.

How to encrypt and password-protect ZIP files the right way This tip was originally published on IDG Answers, a reader-powered help desk for answering tech questions.

How does a zip file work, and how can you use it? Here's everything you need to know to master the art of sending massive files.

With the file open in Pages, Numbers, or Keynote, select File and then Set Password to choose and apply your password.