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.... Export GridView to Xlsx, Xlsb, Xls, Txt, Csv, Ods. Works...to Excel Export GridView to Xlsx Export GridView to Xlsb Export...