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....formats support preview: XLS – Microsoft Excel 97 - 2003 XLSX – Office...XLTM – Office Open XML XML – Microsoft Excel SpreadsheetML Selecting...