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....xlsx" ; String imagefilePath = dataDir...createWorksheetPart ( new PartName ( "/xl/worksheets/sheet1.xml" ), "Sheet1"...