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....Excel or OpenOffice spreadsheet file (so XLS, XLSX, XLSM, XLSB, ODS...ODS and so on) with any number of worksheets. When the code is...