The following macro looks for duplicates accross cols a, b, and c then
deletes the duplicate rows. It will give you an idea to to work on.

Regards
Peter

"JanM" wrote:

How do I write a function or macro that will look at what is in a cell,
validate it, if correct delete the row, and if invalid just move down a row
and continue until the end of data in a column?
--
Jan M