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" ); Apache POI SS - HSSF XSSF...); link . setAddress ( "link1.xls" ); cell . setHyperlink ( link...