As far as I know Excel does not have its own regional settings. It just takes whatever is set in the regional settings in the control panel. So if you set it to US August 1st 2008 would become 08/01/2008 (not sure about the leading 0's) and if you set it to lets says Dutch August 1st 2008 will be 01/08/2008 both in Windows and Excel.
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Mart

- Chuck Norris once sold ebay to ebay on ebay.