A frequent cause is that the "used range" is larger than necessary.

Look here for a cu

http://www.contextures.com/xlfaqApp.html#Unused

--
Kind regards,

Niek Otten
Microsoft MVP - Excel

"Erinayn" wrote in message ...
| We have a spreadsheet that has been about 3 megs. This week it ballooned up
| to 12 megs and we don't know why and we're getting tons of kickbacks when we
| email it out due to it's size.
|
| Ideally, if there is a way to locate a specific cell that would be good.