PPTX is the extended file format that will allow us to load, save and open PowerPoint files in a variety of formats including Microsoft Excel, OpenOffice.org's ODS format, Open Document Format (ODF), and the Open Document Format (ODF) Advanced Format. PPTX provides a robust, fast, and reliable file format for loading, saving and opening presentations for Microsoft Office users. PPT can also be used as a general purpose file format. PPTX cannot be loaded in PowerPoint 2023 or higher. It looks like this: PPT File Format You may ask, “What is the difference between PPT and PPTX?”. Here is the explanation. PPTX: The PPTX file is a format for loading and saving PowerPoint presentations in a variety of presentations and Microsoft Office applications. The standard PPT package is part of Microsoft Office. PPT can be a compressed XPS format (PDF/PDF) file. In any presentation file with graphics PPTX can be considered. PPTX is the standard presentation file format for PowerPoint. It has the same file size, same formatting properties and the same quality of loading and saving. PPTX file is a compressed and compressed XPS format for loading and saving PowerPoint presentations. PPT contains fewer graphics than PPTX and has less complex formatting in the image. These graphics are designed at a reasonable size. You can open PPTX format files in Microsoft Office. PPTX is a better conversion and encoding format from PPT. It is a format for saving and loading PowerPoint presentations. It can convert PPT files to XPS files. Also, PPTX file can be opened and viewed in Microsoft Office in many file formats like Microsoft PowerPoint, ODF and OF. PPTX file can be converted to ODF format but Microsoft PowerPoint 2023 must be installed. As in these 3 formats it is possible to view PPTX files directly as a PNG, JPEG or BMP file.