I'm encountering a very frustrating problem with a formula I use for matching a value in another list. I use =IF(COUNTIF('[DifferentWorkbook.xlsx]Sheet1:Sheet5'!$A$4:$J$55,H3)>0,"YES","NO") . The formula works for one sheet but returns a #VALUE? error when selecting all sheets in a different workbook. Why is this and how can I fix it?
Regards
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