Learn this article and check how to load and convert Microsoft Excel and Open Document spreadsheets with advanced options using GroupDocs.Conversion for .NET API....Tsv, Xlam, Xls, Xlsb, Xlsm, Xlsx, Xlt, Xltm, Xltx If true , all...converter = new Converter ( "sample.xlsx" , getLoadOptions )) { PdfConvertOptions...