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....come as XLSX files, which are ZIP packages. In addition to XLSX...sheetData > < row r = "1" spans = "1:7" > < c r = "A1" s = "1" t = "s"...