Thanks for the very quick reply. Sorry as my VB experience is very much an amateur. I still have the issue that it works when I have the file open,but if I close/save the file, then open it again it relies on me enter the password again at the start to have the column L work properly. Once I enter the password and enter something in the cell in column L, it then reverts back to a protected sheet. I upload the VB formula. I a also using Excel 10 version (sorry for not mention it earlier)
Thanks again
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