Presentation pptx is a presentation app for Windows 10 Mobile that allows you to edit, create and share presentations. You can create a presentation, add notes, tables, images, charts, shapes, and links to your favorite websites. You can also use the app to view, edit, and add content to your presentation. You can also add text notes and highlight text, change the font, and resize all text in your presentation. You can also add media files, like images, videos, and music. You can also share your presentations by sending them to email, social media, and more. Presentation pptx is free to download and use.