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.... Png ; // Save the PDF file workbook . Save ( MapPath...MapPath ( "~" ) + @"\dest.pdf" , pdfSaveOptions ); // Save the XLSX...