| Subject | Welsh | English |
| comp., MS | Gwasanaeth Logio Unedig | Unified Logging Service (An instrumentation and logging platform that provides monitoring, reporting and log viewing capabilities for Office servers and services) |
| comp., MS | logio llawn | full logging (A type of logging available to capture information about mailbox searches that includes information about all results that meet the search criteria) |
| comp., MS | logio sylfaenol | basic logging (A type of logging available to capture information about mailbox searches that includes information about the search and who performed it) |
| comp., MS | Logio telemetreg Office | Office telemetry logging (The process that populates data to the Office Telemetry Log) |
| comp., MS | logio ymholiad | query logging (The process of recording information about user searches, such as search terms and time of access) |