pp totoNope! When you convert PPT to PPTX, the contents of your file will stay exactly the same. The only difference will be the file ending, as we’ve changed to format from PPT toPPT (Microsoft PowerPoint Presentation File) PPT is the binary file format for Microsoft Office PowerPoint 97-2007. Presentations using PowerPoint can include images, text, audio, video, charts, graphs, hyperlinks, and animation to