i think you can do that using macro.
try this one.
put the formula in a dummy cell you can use lookup in cell (O1)
then run the macro to overwrite the data entered ( id )
O1 - dummy cell ( formula)
A1 - data entry ( id )
enter first a value then run the macro
Sub Macro()
Range("O1").Select
Selection.Copy
Range("A1").Select
Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks _
:=False, Transpose:=False
Application.CutCopyMode = False
End Sub
Hope this will start some reply on your thread.
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