I have a new problem I need help with. I am trying to look up a value found
in workbook #1. I need to lookup the value in workbook #2 and, if it's not
found there, then lookup the value in a different tab of workbook #1. Here
is what I have so far.

equalIF(ISNA(VLOOKUP(P8,'[workbook2.xls]tabname'!$C:$S,17,FALSE)),VLOOKUP(P8,'tabname in workbook1'!$A:$F,5,FALSE))

The 2nd part of the formula works fine as the lookup returns the appropriate
P8 value from the tab in workbook 1 when it is not found in workbook2.
However, when the value IS found in workbook2, it returns a value of FALSE,
not the appropriate lookup value.

Should I be using a different IS function? Any assistance would be greatly
appreciated!!
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Thanks so much!