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....0 ) \ # Put some data into header rows (A1:A4) i = 0 while i...get ( i , 0 ) . setValue ( "Header Row #i" ) \ # Put some detail...