PEZ - Prezi Desktop Presentation is a file extension that is used for making zooming presentations. It was designed by Prezi Desktop. This file extension consists of a single canvas in which you can pan and rotate different notes to view it. There are also different freeze frames from zoomed that you can use under this extension as well. They may be exported to applications that are considered stand alone. You will also be able to download this extension exactly from the Prezi website if you are a registered user. It definitely comes in handy when you need it the most, and it is worth it.