Aspose.Cells is a class library that can be used by developers for various platforms for a variety of excel processing tasks....popular spreadsheet (XLS, XLSX, XLSM, XLSB, XLTX, XLTM, CSV, SpreadsheetML...popular spreadsheet (XLS, XLSX, XLSM, XLSB, XLTX, XLTM, CSV, SpreadsheetML...