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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.

Is an e-book format developed for the Psion Series 3 platform used in the 1990s. It contains text and its formatting parameters. This e-book format was used exclusively in Psion devices.