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…...3 that we plan to release next week. You will be notified...notified when the next version is released. amjad.sahi March 9, 2026...