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.
This format was developed by Kodak in order to store images on optical or other media. It is used as a format for archiving scanned documents on Kodak devices. It encodes images in 24-bit color and supports resolutions of up to 6144x4096 pixels.