It's a PowerPoint file. PPTX is an extension to Microsoft PowerPoint. How to add a page and create a PDF Before starting, open the template in PowerPoint. Click on File, · Click on Add New..., then scroll down to create a new folder and name it 'pages' · Next choose the PPTX format. · Finally, put one page in the folder, then save the file. How to convert slides in PowerPoint to PDF? Open PowerPoint, and select File and then click Convert to PDF. A dialog box will show 'What you want to do with this file?' · Choose the 'PTP' format for the file. · Finally click OK. To convert a PDF file to a PPT format, first export it. Then, make sure you save it as a .PSD file, and also choose to convert in PTP format, and not PPT. What type of PDF is a PPT file, and how can you use it? A PPT file is a standard document format created by Microsoft for use with PowerPoint 2010/2013. Microsoft makes it available to all users who have the latest version of PowerPoint installed, free download here. PPT can be used for a variety of purposes such as the following: — creating slide show presentations (PPTX) — creating PowerPoint presentations (.PPTX) — creating slide shows in PowerPoint online (PPTX) — exporting PowerPoint files to the PDF format (PPTX) — generating a PDF file out of a PowerPoint document. PPTX is a great way to generate PowerPoint presentations for presentations with lots of pictures and other multimedia files with lots of images (images within an application) If you want to convert a PPT file to PowerPoint, first create the PPT (or PPTX) for the file first. Then, run the .pdf file by double-clicking, or just by dragging the file onto your screen. If you open the .pdf, you'll immediately see the 'PPTX' icon. To make sure your PDF is in the correct format, see this page of Wikipedia. How to make a PDF in PowerPoint? The PDF file is simply an image file. PowerPoint cannot read any type of text or code in the PPT file. To create a PDF, you'll need to convert it.