Presumably this is for Outlook?
The object browser shows an UnRead property for mail items.
See
http://www.outlookcode.com/codedetail.aspx?id=665 for a CDO method of
telling which messages were replied to. The same can be done using
PropertyAccessor in Outlook 2007 or later or with Redemption
(
www.dimastr.com/redemption) in any version of Outlook.
"mario" <mario> wrote in message
news:C8FE4B72-1F30-4147-B089-66A6E93C971E@microsoft.com...
> To know which messages were not answered using VBA.
> Messages read and unanswered.