Open up the workbooks in question, type =SUM(
click window in the menu and select the first workbook and the cell(s),
type in a comma and repeat and select the next workbook


Regards,

Peo Sjoblom

"lesgold80" wrote:

I am trying to develop an application that requires me to sum values across
workbooks. Is this possible to do in Excel 2002 and how is it performed?