How about:

ActiveWindow.VisibleRange.Cells(1, 1).Address

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HTH,
Dianne Butterworth

In m,
LamNgo typed:
Hi group,

I there any way to find out the cell ID (eg. K36) of the cell on the
left-top corner of a worksheet. At the first time, it's always A1 cell
but after user scroll, how can we identify it?

Thanks,
LamNgo