Right-click in that corner of Excel, and make sure the SUM option is
checked, not None.

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HTH

RP
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"Dom23" wrote in message
...
When i drag my mouse over various numbers in excel it use to give a quick
addition of the figures in the bottom right hand corner. This no longer
happens and i have to select a cell and autosum into there. I can't see
how
i have disabled this feature but most importantly how do i reactivate
it!??
Please Help!!? It is very frustrating calculating every sum!!!!