| DisplayName | Description | ID | Base Class | Abstract | Hosted | Singleton | Group | Extension | Accessibility | ElementId |
| Microsoft Windows Mail 7.0 | All installations of Windows Mail version 7.0. | Microsoft.Windows.Mail.7.0 | Microsoft.Windows.Mail | False | True | False | False | False | Public | 7fe7e340-4dc6-bdf8-ecf8-8ac16ec64bca |
| Microsoft Windows Outlook Express 5.0 | All installations of Windows Outlook Express version 5.0. | Microsoft.Windows.OutlookExpress.5.0 | Microsoft.Windows.OutlookExpress | False | True | False | False | False | Public | 001b96a2-d6cc-ca18-a550-fe5d17ae9638 |
| Microsoft Windows Outlook Express 6.0 | All installations of Windows Outlook Express version 6.0. | Microsoft.Windows.OutlookExpress.6.0 | Microsoft.Windows.OutlookExpress | False | True | False | False | False | Public | eed58660-31b4-de0d-ef99-c74851faf2c0 |