We are using Aspose cell To convert Xlsx To XLSB but it is almost taking 6 mins To convert the file. Is there any method, it can be converted in less time ? or we can add some lines in code To make it do in less time?...Converting XLSX to XLSB format- Performance issue Aspose.Cells...using Aspose cell to convert XLSX to XLSB but it is almost taking...