| Subject | English | Bulgarian |
| comp., MS | migration batch | партида за мигриране (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 | заявка за партида за мигриране (The action of submitting a migration batch for migration from an on-premises messaging system to an e-mail system in the cloud) |