Show Hidden VB Files in Windows 7 PC

Hello,
How to show a file in vb open office hidden? I have two important software application in my computer desktop which is vb programming language and open office application. I saved all my database and Gui vb work in a specific folder together with open office files but when I opened the folders the data are not visible, how can I show those hidden files? I am using Windows 7 Os.
Waiting for your support.
