Hi Skip,
Sorted out the Index/Match date problem with Blank Cells, works for all Pre and post 1900 Dates
so this =INDEX(tMaster[Name],MATCH(E2, tMaster[Master ID],0))
Becomes this
=IF(INDEX(tMaster[Name],MATCH(E2, tMaster[Master ID],0))="","",INDEX(tMaster[Name],MATCH(E2, tMaster[Master...