a four-stringed musical instrument of the violin family, slightly larger than the violin; a tenor or alto violin. 2. a labial organ stop of eight-foot or four-foot pitch, giving tones of a penetrating stringlike quality. Origin of viola1. Italian.
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.
PowerPoint File Extensions. The file extension for a PowerPoint show is .ppsx (versions 2007 or 2010) or .pps (versions 2003 and earlier). The file extension for a PowerPoint presentation is .pptx (versions 2007 and 2010) or .ppt (versions 2003 and earlier). This file extension tells PowerPoint whether the file is ready for prime time (a PowerPoint show) or is still in the creation stage (a PowerPoint presentation).