In Columns AJ,AK,AL are formulas that use MCONCAT. The workbooks shows the Add-in is installed but formula not working. I have tried everything I know about Excel, would appreciate help very much. Thanks
https://app.box.com/s/yki9itjb55v44gygvwde9b5jo19l8ql4
https://app.box.com/s/yki9itjb55v44gygvwde9b5jo19l8ql4