The Microsoft Outlook mail client identifies the physical path of the senders machine within a winmail.dat attachment to Rich Text Format (RTF) files.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Outlook | Microsoft | 97 (including) | 97 (including) |
| Outlook | Microsoft | 98 (including) | 98 (including) |
| Outlook | Microsoft | 2000 (including) | 2000 (including) |