When was the last time you came across a file extension and had no idea what it was or what application you need to use to open it? Ever heard of the .jnlp extension? Do you have any clue on what it is or how to open it? Well opening file extension jnlp with windows is a piece of cake. What ever the file extension from .stb .svg .swf .sys.thm .tmp .uif .vob .wpd .wps you have your answers. You will never have to look another step further again all file extensions will be at your finger tips. So make the best of it.