Thank you.
I have attached a stripped down version of the file with formula and code
I got the code from the following site - which was really helpful. But I can't seem to get the formula to work anymore. It seemed to stop - perhaps I am using the wrong file type - or I inadvertently changed something important
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http://www.cpearson.com/excel/stringconcatenation.aspx
Again, appreciate any help
thanks.