Want to open old PowerPoint presentations in Protected View? Enable this setting in PowerPoint Options, Group Policy, and Registry.

Launch Microsoft PowerPoint 2010 on your computer and open an existing presentation or create a new presentation.

How to Open a PPT File Without Powerpoint. Microsoft PowerPoint is on over a billion computers worldwide, according to Robert Gaskins, one of the program's developers.

Curse you and your ever-changing file formats, Microsoft! Here's how to import 20th-century presentations into PowerPoint 2007.