| Subject | English | German |
| comp., MS | Windows Live Contacts | Windows Live-Kontakte (The Windows Live universal roaming contact list that allows users to share their contact information and subscribe to others' to automatically receive updates across Windows Live Messenger and Windows Live Spaces) |
| comp., MS | Windows Live Contacts API | Windows Live-Kontakte-API (The API that defines a set of web services which can programmatically access the Windows Live Contacts Address Book database) |