Try the Excel help for the WORKDAYS function.
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David Biddulph

Clareabella wrote:
I am using the workdays formula in excel. It works fine with the
exception of months where there are bank holidays it doesn't seem to
be recognising them. I assume it is not seeing some form of calendar
so how to I activate the calendars in excel (the calendar in outlook
is fine and all bank holidays are showing) ?