libktnef4 4:4.4.3-1ubuntu1 (amd64 binary) in ubuntu maverick

 Ktnef is a library for handling data in the TNEF format (Transport Neutral
 Encapsulation Format, a proprietary format of e-mail attachment used by
 Microsoft Outlook and Microsoft Exchange Server). The API permits access
 to the actual attachments, the message properties (TNEF/MAPI), and allows
 one to view/extract message formatted text in Rich Text Format.
 .
 This package is part of the KDE Development Platform PIM libraries module.