| Subject | English | Spanish |
| comp., MS | Microsoft Exchange Unified Messaging Service | Servicio de mensajería unificada de Microsoft Exchange (A service that implements Unified Messaging (UM) capabilities for UM-enabled users) |
| comp., MS | Unified Logging Service | Servicio de registro unificado (An instrumentation and logging platform that provides monitoring, reporting and log viewing capabilities for Office servers and services) |
| gen. | unified service | servicio unificado |