Type a password in the "Enter Password" text box, and then type the same password again in the "Re-enter Password" text box. Click "OK" at the bottom of the window to create your locked ZIP file.

To encrypt an archive in 7-zip, once you’re at the Add to Archive dialog box, enter a password and select the Encryption method AES-256.

7-Zip, WinRAR, and other similar utilities allow you to assign passwords to a file when you’re compiling it. The real trouble arises when you create a password so unique that you end up ...