Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....com/en-us/library/dd949052(v=office.15).aspx...https://msdn.microsoft.com/en-us/library/documentformat.openxml.presentation...