You'll be asked to specify a file on disk that then acts as the encrypted container for other files and folders. You Might Also Like … In your inbox: WIRED's most ambitious, future-defining stories ...

How to encrypt a file on Windows. With Windows 11, encrypting files is fairly straightforward. Here's how. 1. Open the file manager. Open the Windows file manager and navigate to the folder ...

Encryption basically scrambles your data, or in this case your postcard, to make it unreadable to anyone else unless they know the special key or password to open it up.