Getting com.aspose.cells.CellsException: Invalid Excel2007Xlsx file format - aspose-cells

I use aspose/cells/aspose-cells-8.4.0.jar version of ASPOSE CELLS library for processing files.
When I try to open file with extension xlsb, I get com.aspose.cells.CellsException: Invalid Excel2007Xlsx file format error. Interestingly, I have given file as xlsb but Aspose library is treating itas Xlsx file.
I have found that aspose-cells-8.4.0 version is capable of processing xlsb file format.
Can someone help me here?

Since you are using older version (aspose-cells-8.4.0.jar), so this might be a bug in the older version that you are using or some other limitation. We recommend you to kindly upgrade to newer versions of Aspose.Cells for Java which are more stable/robust and support to process (read, write and manipulate) all the older and newer/advanced file formats (including XLSB) of MS Excel (97-2003, 2007, 2010, 2013, 2016, 2019, etc.).
PS. I am working as Support developer/ Evangelist at Aspose.

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