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.
DOTM file has two attributes namely Zip file compression and XML (Extensive Markup Language). It is identical to .DOCX and .DOCM file in which the M stands for macro and the X stands for XML. The application that can open both .DOCX and .DOCM is via Microsoft Word version 2007 or 2010.