An extension to store presentations and slide shows, for PowerPoint 2007 and newer versions. Contains a set of slides with audiovisual information, multimedia objects, and formatting. The file is created based on the XML format, which allows you to view the recorded information in text editors.
A file to store presentations with tables, drawings, texts, audio and video created using open source programs: OpenOffice, StarOffice, LibreOffice, etc. The file is editable and based on the XML format. Is an open alternative to the closed PPT format.