| Subject | English | Korean |
| comp., MS | add-on | 추가 기능 (A device that is traditionally added to the base computer system to increase functionality, such as audio, networking, graphics, or SCSI controller) |
| comp., MS | add-on device | 추가 장치 (A device that is traditionally added to the base computer system to increase functionality, such as audio, networking, graphics, or SCSI controller) |
| comp., MS | add-on package | 추가 기능 패키지 (An XML file in the addons folder of the Datastore. Add-on packages are used to deploy files or an application to a device or emulator) |
| comp., MS | Mail Migration add-on | Mail Migration 추가 기능 (A tool that allows users to upload email messages, email folders, and contacts from an email account on their PC to the cloud to facilitate access from multiple devices) |
| comp., MS | Microsoft Online Services Sign-In Add-On | Microsoft Online Services 로그인 추가 기능 (A required update for Microsoft Online Services that updates the Microsoft Online Services ID Sign-In Assistant to work with other Office programs) |