Should you wish to extend the functionality of either of these Office programs, you can do so by installing what Microsoft calls add-ins, or small apps. The App Store provides direct access to the very best of these apps from software publishers all around the world. Add powerful new graphics to PowerPoint, financial planning to Excel or document automation to Word. There are thousands of apps out there waiting to enhance your Office productivity. Downloading and installing the App Store adds a new tab to your ribbon in PowerPoint, Excel or Word from where you can directly browse the apps available in the store, without having to search for hours on the web. Once you’ve found what you’re looking for in the App Store, simply follow the links to download, install and purchase the new app to give you exactly what you were looking for.