Aspose.Cells Cloud REST API supports merging multiple Excel files into a single Excel file using Python, and offers SDKs for various programming languages....Formats Microsoft Excel: Xls, Xlsx, Xlsb, Xlsm, Xlt, Xltx, Xltm...Markdown Microsoft Excel: Xls, Xlsx, Xlsb, Xlsm, Xlt, Xltx, Xltm...