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....formats like XLS, XLSX, XLSM, XLSB, CSV, etc. Aspose.Cells also... Sample Code Read and Write XLSB File Format Convert Excel Workbook...