Open window on to the desktop 5. If the files were downloaded from the internet, the files may be found on your computer (even if you have used the internet to unlock them). When you retrieve the files from the computer, they will be unencrypted, but you will see a new window displaying the password on the file. How to Decrypt File Vault on your Mac — Quora If the files were obtained from a third-party source (like you have purchased them from a store for example, or have received them from an Amazon e-book reader), the files are still protected. However, this may be the case when you have purchased some software from one of the many online stores selling digital products. As a result, the passwords and Pins may have been entered in connection with these purchases. If you want to clear your files, simply click on them and click decrypt. Note that this will make the unencrypted files unreadable. How to Unlock Disk Encryption on Mac — TechCrunch Encryption does not work with a 'hard-drive', and even an empty hard-drive is usually encrypted. You're better off using a different USB drive, or your favorite cloud storage service. It has also not been stated, but as a general rule of thumb, a USB drive can have up to four times the amount of disk space as a CD. How to Encrypt disk on Windows — Windows Central Nowadays you may be hard-pressed to even find a laptop that doesn't have some form of encryption built in — and that's good for most of us.