Have you ever felt the need to hide or prevent access to some of your files whether they are document files or movie files or even your hidden stash of porno videos. So you are going home to Christmas and you have this snoopy brother who likes to prowl your laptop. So, how do you make sure that your secret files remain a secret. We will share with you a simple trick without the need to download any external tools or applications.

Prestep: Before we proceed, open any folder or Windows Explorer. Then, go to Tools, Folder Options, View and uncheck Hide extensions for known filetypes.

How to hide extensions for known filetypes

 A cell phone is like a computer and has an operating system running behind the scenes. Use this guide to learn about Nokia Secret Cell phone codes and turn into a cell phone super user.  If you wish to unlock your Nokia Cell phone and get Nokia Unlock codes, check out our Unlock a Nokia Cell Phone article. Use the “*” button on your Nokia Cell phone to obtain the “p,w” and “+” symbols that will be used in the Cell phone Codes shown below.

Nokia Cell phone codes

1.  *3370# : This allows you to enhance the sound quality on your Nokia Cell phone. Press #3370# to deactivate Enhanced Sound Rate Code

2. *4720# : This is opposite to ESR codec activation above. Activates a lower quality sound on your Nokia Cell phone but you can gain almost 30% more in talk time. Use it if you are low on battery and need to last a business trip