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 file that stores macro-enabled slide shows and presentations. It was introduced together with the development of PowerPoint 2007. PPTM stores audio, video, images and text with different formatting styles. The file contains an XML structure and can handle embedded macros. To use embedded macros in PPTX, you must first save the file as .PPTM.