A PowerPoint Template is a file that can contain commonly used settings to make producing future PowerPoint Presentations and Shows easier. POTX PowerPoint Templates are different than the POT version in that they use the Microsoft Office Open XML format.
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.