One way:

Put it in a normal code module in your Personal.xls workbook. See

http://www.mvps.org/dmcritchie/excel/getstarted.htm

In article ,
yshridhar wrote:

I have an User Defined Function sent by EXCEL group. Where shall i place
this to use it as a normal worksheet function in any excel file i open. eg
like SUM, AVERAGE?
Thanks
Sridhar