Use the Office Add-ins platform to build solutions that extend Office applications and interact with content in Office documents. With Office Add-ins, i can use familiar web technologies such as HTML, CSS,JavaScript,Angular,React,Vue.Js,office ui fabric and C# to extend and interact with Word, Excel, PowerPoint, OneNote, Project, and Outlook.Build solutions that can run in Office on Windows, Mac, iPad, and on the web.I can also use Yeoman generator for Office Add-ins.