Hi,

I have a column that will contain names. I'd like to use validation to make
sure that when a name is added it can be selected from a drop down assuming
the already appears in the column already. If not you can add a new name.

This works fine by defining a dynamic named range of the column as the
validation list. The problem however is that it doesn't give a unique list
i.e. the range is the whole of the column entered so far hence I get
multiple occurrences of the same name.

Does anyone know how I can make this a unique list?

TIA,

Jon C

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