Hi - I Hope that somebody may be able to help me

I need to highlight duplicate rows in a spreadsheet using
vba and to display a message box indicating that there are duplicated rows
and that a reveiw is required prior to import

The spreadsheet is called Data_01.xls
The potentially duplicated rows relate to columns named
OrderNo : ProductNo : Qty Company

Each row contains an order number with a product number and a quantity

The duplicate rows are usually products ordered twice, not always with the
same quantities, against the same order number

I would be grateful for any help


Sam