Hi,

Here is a microsoft article about this problem, see if it helps.

http://support.microsoft.com/kb/223813

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Thanks,
Shane Devenshire


"dkc" wrote:

I have a fairly large (4mb) excel file that many people in my company
use. Lately, most of the users are unable to save their changes. The
message is simply "Document Not Saved".

Any help is most appreciated!!