Making a PowerPoint presentation is easy to do. However, you may want to protect your files once you have completed them and this can be the hard part of your job. This is when you should know more about the PPSX - PowerPoint Open XML Slide Show and why you should be using these to ensure your presentation will be seen only as a read only and not available to be edited.
The first reason you should be using the PPSX - PowerPoint Open XML Slide Show is it will help you ensure your files are read only. When they are locked as a read only you do not have to worry about someone taking your name and moving it to another information that you do not want to have your name on.
The second reason you need to use the PPSX - PowerPoint Open XML Slide Show is it provides you a peace of mind about your work being safe. So you will not be concerned about all of your information being stolen.