I have a part list which I update monthly. In most cases the part numbers
are 10+ characters long however after the first 3 or 4 characters I can
determine what kind of part it is. What I would like to do is create a macro
that based on the first 3 to 4 characters would populate the product category
field in the second column. For example part number DF24-10W52-08LPHHN in
column "A" would equal product Category in Column "B". I would just use DF24
in the macro. Also my part list is about 40,000 lines.

Thanks.

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Bob