New day - new problem! :)

My manager has now asked for this summary to be on a separate
spreadsheet (so that she can look at it along with other summaries)

Unfortunately, using this formula:
=SUMIF('S:\Internal\Sales Figures\2006-2007\[ES 06-07
Spreadsheet.xls]Activity'!$A$3:$A$1001,1,'S:\Internal\Sales
Figures\2006-2007\[ES 06-07 Spreadsheet.xls]Activity'!$C$3:$C$1127)

just brings up a #Value! unless the spreadsheet it is linking to is
open. If the linked to spreadsheet is opened, then closed, then I get
the figures untill I close the summary spreadsheet. Then, when I
reopen the summary spreadsheet, and click on Update (which I would need
to if any of the other sections that this spreadsheet links to had been
updated), I get #Value! again.

What am I doing wrong?


--
JoFo
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