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Duplicates in a list
At one point in time I knew how to do this...
What formula do I use so excel won't allow me to put the same number in a column twice. I want to make sure I don't enter an invoice number more than once. |
#2
Posted to microsoft.public.excel.misc
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Duplicates in a list
See:
http://www.cpearson.com/excel/NoDupEntry.aspx -- Gary''s Student - gsnu200811 "jlojones821" wrote: At one point in time I knew how to do this... What formula do I use so excel won't allow me to put the same number in a column twice. I want to make sure I don't enter an invoice number more than once. |
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