The only one that comes to mind is Microsoft Office Power Point file. A Power Point file has the extension of filename. ppt on the end of it. It can be opened with the Power Point program or viewer.
PPT is a file format or filename extension for programs done in Microsoft's Powerpoint program. It is a slide presentation format used to present pictures in sequence.
In the context of computers, "PPT" refers to Microsoft Powerpoint. PowerPoint displays slides, which can accompany a presentation or run in standalone mode It is not generally a programming tool.
