Google Slides iPhone App — Google Play App that can also be accessed through Wi-Fi. Part 2. The Top five Online Presentations Viewers for Windows: · PowerPoint Online — Online PowerPoint viewer with Microsoft account | Microsoft Office Online — Online Adobe OpenOffice software presentation viewer with Microsoft account. · Microsoft Office Online — Internet-based Office 2007/2010 PowerPoint and presentation viewer · Google Slides iPhone App — Google Play application that allows you to work in their web app with a Wi-Fi link. The Top five Online Presentations Viewers for Mac: · Google Slides iPhone App — Apple iPhone, iPad and iPod Touch application that can be accessed through Wi-Fi. · PowerPoint Online Mac OS X — Windows-based version of PowerPoint online presentation viewer. · Google Slides iPhone App — Google Play application to view Web-pages. Part 3. The Best PowerPoint Viewer For Windows: The original PowerPoint Viewer that has a full editing and presentation editing features. It also includes Microsoft Office integration and support for online presentations. You can create presentations on your system, import or edit them from Office documents. The full versions of PowerPoint in PowerPoint Viewer allows you to view and manage your presentation in two formats: PowerPoint files (PPT) and PowerPoint Keynote files (XML). On Windows and Mac it supports both Mac OS X and Microsoft PowerPoint software. Windows will run on both 32-bit and 64-bit systems; and Mac on both Intel and PowerPC. The application and its slide viewer will only work with PowerPoint 2023 and Office 2010. If you still want to use a version of PowerPoint that is not from Microsoft, for example PowerPoint 2003, it's available for both Windows and Mac OS X. The slide is a list of slides for the presentation. It can be placed on the screen from Microsoft Office. If you are already familiar with the concept of PowerPoint you can use PowerPoint Online with the free version of PowerPoint. This is the best choice if you use PowerPoint as an interactive presentation tool. After you open the program, you can create presentations from text.