This article is from the Spreadsheets FAQ, by Russell Schulz casfaq@locutus.ofB.ORG with numerous contributions by others.
see http://support.microsoft.com/support/kb/articles/q154/1/31.asp
see ftp://ftp.microsoft.com/deskapps/excel/kb/q154/1/
see http://support.microsoft.com/support/kb/articles/q176/8/07.asp
see ftp://ftp.microsoft.com/deskapps/excel/kb/q176/8/
Even with Macro Virus Protection (Excel 97 and later) enabled,
code can run upon opening files, without your approval:
see http://www.counterpane.com/crypto-gram-9908.html#News
see http://officeupdate.microsoft.com/Articles/mdac_typ.htm
 
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