The “=@_xlfn.XLOOKUP” error will appear by following the steps below.
Aspose.Cells .Net v26.2 saves a Xlsb workbook that has Xlookup formula.
Open the saved workbook in Desktop Excel to confirm no “=@_xlfn.XLOOKUP” err…...XLOOKUP for Xlsb and Excel Online Aspose.Cells Product Family...or SharePoint Online. Open it in Excel Online. =@_xlfn.XLOOKUP...