| Subject | Welsh | English |
| comp., MS | colofn data allanol | external data column (A column type that allows data from external systems to be incorporated into SharePoint lists) |
| comp., MS | data allanol | external data (Data that is stored outside of the application that is currently in use) |
| comp., MS | Eitem Data Allanol | External Data Item (A Web Part that can display a single item in an external list) |
| comp., MS | log data allanol lefel-tenant | tenant-level external data log (An error log that contains errors and exceptions that occur when SharePoint tries to connect to external systems through Business Connectivity Services. It can be retrieved by tenant administrators) |
| comp., MS | rhan data allanol | external data part (A set of controls that interact with external data through BCS) |
| comp., MS | ystod data allanol | external data range (A range of data that is brought into a worksheet but that originates outside of Excel, such as in a database or text file) |