When you want to encrypt or decrypt a folder in Windows Vista, right-click the folder and select Properties from the shortcut menu. From the Properties window, click the Advanced button on the General tab and select the Encrypt or Decrypt option. If you frequently encrypt and decrypt folders, you can add these options to a folder’s shortcut menu.

  1. Open the Registry Editor.
  2. Navigate to the following: HKEY_Current_User Software Microsoft Windows CurrentVersion Explorer Advanced.
  3. Create a new DWORD and name it EncryptionContextMenu.
  4. Set the value to 1.
  5. Close the Registry Editor.