what is powerpoint presentations
PPT File Format. PowerPoint presentation (Microsoft) PPT is a file extension for a presentation file format used by Microsoft PowerPoint, the popular presentation software commonly used for office and educational slide shows. All text images, sound and video used in the presentation are contained in the PPT file. PPT files can be viewed by PowerPoint, PowerPoint Viewer or the Open Office software suite. Visit the PowerPoint webpage. Visit the Openoffice.org webpage.