Windows 11 Encrypt Zip File Jun 2026

You will likely see the file name turn green in File Explorer. This indicates the file is now encrypted. Windows will prompt you to back up your encryption key. Do not ignore this prompt. If you lose your Windows user profile or password, you will permanently lose access to this file unless the key is backed up.

Windows 11 has a built-in feature called "Encrypting File System" (EFS) that allows you to encrypt files and folders. You can use this feature to encrypt ZIP files as well. Here's how: windows 11 encrypt zip file

This method ties the encryption to your Windows user account. If you send this ZIP file to a colleague via email, they will receive the file, but Windows will block them from opening it because they do not possess your encryption key. You will likely see the file name turn

Since Windows 11 lacks a built-in password feature for ZIPs, 7-Zip is the gold standard. It is open-source, lightweight, and uses AES-256 encryption. Get 7-Zip from its official site. Select Files: Highlight the files you want to protect. Do not ignore this prompt