will only allow the formula to be long enough ..

Just a thought .. you could try simplifying the task by having everything
done in one book rather than across books (eg: copy/move the relevant sheets
from one book into the other, then formulate it there), and by using very
short, simple sheetnames for the sheets involved (rename as eg: a,b,c ... or
1,2,3). Both steps would immediately cut down formulas' length drastically.
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Max
Singapore
http://savefile.com/projects/236895
xdemechanik
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"Fredw" wrote:
I am looking for a formula that will compare 3 or 4 columns in 2 different
excel workbooks and if a match is found, sum a different column for the
corresponding matched rows. Approximately 1500 rows would be checked.

I was able to do it using a combination of; "sum", "if" and "and" in my
formula, but the formula has to be repeated for each row and will only allow
the formula to be long enough to do 4 rows before the formula gets to be too
long for the cell.

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gen_chang