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....including XLS, XLT, XLSX, CSV, SpreadsheetML, Tab delimited, TXT, XML...formats (XLS, XLT, XLSX, CSV, SpreadsheetML, Tab Delimited, TXT, XML...