The RFC 2980 describes the XOVER commands. Use the XOverFields property to access the list of supported fields in the overview database. The XOverFields property implements the "LIST OVERVIEW.FMT"  command. Use the Field property of the XOver object to get a specified field from the article.

The following sample displays the all overview fields available for the first article in the "vb.general" news group:

Dim n As New EXNNTPLibCtl.NNTP

Private Sub Form_Load()
    Dim g As EXNNTPLibCtl.Group, x As EXNNTPLibCtl.XOver
    n.Connect "news.devx.com"
    Set g = n.Group("vb.general")
    Dim s() As String
    s = Split(n.XOverFields, vbCrLf)
    Set x = g.Articles.Item(g.Articles.First).XOver
    For i = LBound(s) To UBound(s)
        Debug.Print "'" & s(i) & "' = " & x.Field(s(i))
    Next
    n.Disconnect
End Sub