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Index was outside the bounds of the array while loading .xlsb


We are using aspose.cells for .net
And the version is

in our applcation when we are trying to load the file into a workbook object its throwing the below error.

Index was outside the bounds of the array

Please help me in this.
does aspose.cells support .xlsb files?


Thanks for providing details about your issue.

Yes, it does, Aspose.Cells does support all the Excel file formats including XLSB.
Since you are using some older version of the product, so we recommend you to kindly try our latest version i.e., v8.6.1, it should work fine.

If you still find the issue with v8.6.1, kindly share the template file, we will check it soon.

Thank you.