You need to install the Analysis Toolpak.

Go to ToolsAddins... and select the Analysis Toolpak item.

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HTH

RP
(remove nothere from the email address if mailing direct)


"gdb" wrote in message
...
I am having a problem locating the "Networkdays" function in my
installation
of Excel 2003. Is there some type of add on pack that needs to be
installed?



Thanks For Your Help