Create compelling videos out of simple slides That is what the Convert Powerpoint to Video application is here to do. One of them is to convert your presentation into a video file, which can be opened on any Windows machine with the integrated video player. If that is not the case, there are other ways to find a solution to this issue. When sharing PowerPoint presentations with your friends and colleagues, you have to make sure that they have an Office-like suite installed on their computer to be able to open PTT or PPTX files.