The file that stores macro-enabled slide shows and presentations. PPSM stores a set of slides with graphics, audio and video information, which cannot be edited. It’s used solely to view the generated presentations. To run PPSX file macros, you should first save the file with the PPSM extension.
A POT file is a template created by PowerPoint, a program used to create slide show presentations. It contains the default layout, formatting, and styles for a slide show. POT files are used to create multiple .PPT files with the same formatting.