POTX is the newer version of the POT format, used by PowerPoint. It allows for the creation of presentation templates with a variety of slide layouts and designs. POTX files support advanced features like embedded media and animations, and are widely used for creating professional presentation templates.
PPT is a presentation file format used by Microsoft PowerPoint. It allows users to create slideshows with a combination of text, images, and multimedia. PPT files can include transitions, animations, and other dynamic elements to enhance presentations. It’s one of the most popular formats for professional presentations.