In the attached input SpreadsheetML file there is DataValidation element that specifies range in following way:
Notice the range goes from high values to low values. When opened in Aspose.Cells and saved to XLSX the excel will display user notification about corrupted data. If I switch the range it will work as expected:
Could you take a look at this, please?
DataValidationReverseRange.zip (1.1 KB)