| Subject | English | Welsh |
| comp., MS | migration batch | swp mudo (A collection of user accounts that are being submitted in a CSV file for migration from an on-premises messaging system to an e-mail system in the cloud) |
| comp., MS | migration batch request | cais swp mudo (The action of submitting a migration batch for migration from an on-premises messaging system to an e-mail system in the cloud) |