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....set_Item ( 1 , 1 , "Some Text" ); Aspose.Cells Workbook myWorkbook...[ 0 , 0 ]. PutValue ( "Some Text" ); myWorkbook . Save ( fileName...