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I do not find your description clear, but here is what I think you mean:
I have data in column A and B. In a third column I am using VLOOKUP to find a value in A and return the corresponding value in B. However, the data in column A can be duplicated. In my third column I want to concatenate all values in B that correspond to the value I am searching for in A. For example:
I would like the result of searching for "A" to return "Cat, Elephant".
Is that what you mean?
VLOOKUP cannot do this. I am not sure if it can be done with formulas at all, but it can be done with a macro. I will see if anyone else comes up with a formula solution before I do any work on a macro.
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