Hide Folders on you PC: Fast and Easy Windows Trick

On your computer, you can hide your folders from the common view without any particular software utilities. This way, you can keep your information private and hidden from prying eyes of other computer users, which is especially useful when computer is shared.

Suppose you want to hide a folder named ABC which is in located on the hard drive D: of your computer.

Go to the command prompt:

Start ---> Run ---> cmd --> D:

After changing the location from default hard drive C: to D:, type the following command to change the folder attributes to hide it.

D:/>attrib +h +s abc

To make the folder visible, the attributes can be altered back. Type

D:/>attrib -h -s abc

 When folder is hidden with this trick, the folder can be found even if you make advanced searches or even change the folders menu options to show all hidden files.

Source: http://trickscafe.blogspot.com/2008/08/hide-ur-folders-in-just-few-steps.html