Hi,
Thanx for the reply. I pasted that VBA code, but I'm still able to change data in A2 by/when entering it in A1, as if nothing were changed...??? (Macro security is wide open, too, in Excel 2007)... Ummm, again, I'm trying to limit the concatenation into A2 (from A1) to the FIRST, or to just ONE, "concatenatory instance", and to have it frozen there for eternity.
Tanx again,
G
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