A PPS file extension is used to create universal PowerPoint documents on your computer
. Since there are many versions of Microsoft PowerPoint and all these may not be available with all those users you want to be able to view your presentation, it becomes necessary to save your presentation is a format that can be viewed by all. Even if you do not have Microsoft Office, you can still view the presentation saved in PPS format. This file extension also allows you to transfer the presentation from one computer platform to another and allows you to even post your presentation. This makes sharing your presentation really easy. In fact, you can also use other presentation software to view a presentation saved in the PPS file format. However, if you want to make any changes to the presentation then you will have to save the presentation in the PPT format and then do so as the PPS format does not allow you to alter the file. But you can view all the animations and graphics and will not lose out on them if you save your file in the PPS format.
PPS files can be opened using the PowerPoint Viewer which has been solely designed for this purpose. However, these files can also be opened with most other presentation platform like Impress using Open Office or Star Office, Corel using WordPerfect, and Keynote using Mac iWork. You will be able to view the presentations as they are but you have to convert them to the PPT format if you want to edit them. The fonts may also vary according to the fonts that you have on your computer and the operating system that you are using. This is a file format that has been made to make life easier at work and definitely deserves a try.