You might have heard about this trick earlier. But now there is a freeware to do it very easily.This software is windows based. It is a very safe way to protect your private data, because most of the folder locks are not reliable. Name of the software is Camouflage.
How does it work?
It will encrypt the file and hide it in an image file (You can select the image file).
If somebody is trying to open the file it will show the image. So they cannot view the file which you have hided.You can decrypt and view the file using Camouflage. You can control the decryption by a password.
While sending your private data through emails this trick is very helpful.
Screenshot of Camouflage:
Advantages of Camouflage:
It is reliable.
Freeware.
