UCF - WebEx Media File is a file extension that was specially designed for UCF files on your computer. This program is specially designed for phone and video conferencing programs. You will also be able to take advantage of different audio, flash files, and even web pages using this file extension. The main purpose of this program is to use it for communication when it comes to rich media content when you are having some type of conference. It definitely is a handy tool that anyone can use. You will need to also make sure that you have a program that can display this type of content for you. If you are familiar with Windows Media Player, you will be able to use some of the files on here to help you out. There are small and simple steps that you can take to make sure that your attendees can view UCF files that you are sending to them.