Rory

There are certain things you should avoid like lots of charts, images, etc.

Saving pivot cache with the workbook

Saving the file in the hybrid XL5/95&97/2003 file format.

All of these bloat files but you give us few other clues

--
HTH
Nick Hodge
Microsoft MVP - Excel
Southampton, England
DTHIS
web: www.nickhodge.co.uk
blog (non-tech): www.nickhodge.co.uk/blog/
"Rory" wrote in message
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How do I stop Excel growing large after changes?