You didn't mention the version of Office you're using.
If it's an English language version of Office 2000 or higher
you'd need to purchase the MS Office Proofing Tools Kit
for the version of Office that you have to add Italian proofing. http://microsoft.com/office/editions/prodinfo/language/proofingtools.mspx
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office cannot find msgr3IT.dll , msgrIT32.dll , mssp3IT.dll and mssp232.dll
for spelling for italian italy>>
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I hope this helps you,
Bob Buckland ?
MS Office System Products MVP
*Courtesy is not expensive and can pay big dividends*