Most versions of Excel have a limit on how much of the available memory pool
they can use. You can read about this here
http://www.decisionmodels.com/memlimitsc.htm

Signature
HTH
Nick Hodge
Microsoft MVP - Excel
Southampton, England
nick_hodgeTAKETHISOUT@zen.co.ukANDTHIS
web: www.nickhodge.co.uk
blog (non-tech): www.nickhodge.co.uk/blog/
>I have a large spreadsheet with links to other large spreadsheets and I
>keep
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> the
> same spreadsheet.