ExcelBanter - check for duplicates

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Todd

check for duplicates

Hi, I have been using COUNTIF(A:A,A3)1 to check for duplicates in one
column and I need to check for duplicates in two columns? I have a set of
item numbers in one column and a second column with the type of container
and need to be sure I haven't double entered anything.

Thanks,

Todd

Column A Column B

455 box
455 pail
455 pound

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