how can i copy formula?
 

hi,
please help!
my problem was i create a formula that gets the total sum from another
workbook. i want to copy the formula and past to another cell but the only
thing must change is the name of the workbook.

example.
i want to paste the formula of A1 to B1 and so on which autoamtically link
to another workbook.

Workbook1.
sheet1
A1=sum of workbook2
B1=sum of workbook3
C1=sum of workbook4