Challenger can encrypt at a data and directory level and is ideal for all security aware users. But there is a difference, and it is that the recovery key, which you need to decrypt the files on the protected drive, is not protected until you go through the step of uploading the how to encrypt a folder with a password key either to a Microsoft Account (where it is stored on SkyDrive and is accessible to the device owner from wherever there is an Internet connection) or to Active Directory, which is the way traditional BitLocker encryption in Windows Vista, Windows 7 and Windows 8 has worked.
Whether you want to store a file into a USB flashdrive and make it inaccessible to others so it can be emailed securely later on or add another level of protection to the stuff stored on your Folder lock hard drive, there are many ways in password-protecting some important files and folders with a password which only you can have access to and that’s what this tutorial will be talking about.
Just one practical example of how this one may come in handy — of course, just having it permanently on your USB stick is just as good a solution, together with dsDel (Where-as I’m quite paranoid to encrypt everything sensitive (exam papers etc) on my main machine, I’m often guilty , being in a hurry, not to encrypt some important files on my usb stick, which would be bad if I lose that thing !).