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....xls" ); //Save the document in PDF format workbook . save ( dataPath...from http://poi.apache.org/spreadsheet/how-to.html#xssf_sax_api...