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....PivotTables collection by passing its index. # Use any of the pivot table...PivotTable to the worksheet int index = pivotTables . add ( "=A1:C8"...