| Subject | English | Sesotho sa leboa |
| comp., MS | add-in | lenaneotlaleletšo (A supplemental program that can extend the capabilities of an application program) |
| comp., MS | add-on | tlaleletši (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 | sedirišwa sa tlaleletšo (A device that is traditionally added to the base computer system to increase functionality, such as audio, networking, graphics, or SCSI controller) |
| comp., MS | COM add-in | oketša COM (A supplemental program with the filename extension .dll or .exe that extends the capabilities of a program by adding custom commands and specialized features) |
| comp., MS | Excel add-in | Lenaneotlaleletšo la Excel (Components that can be installed on your computer to add commands and functions to Excel. These add-in programs are specific to Excel. Other add-in programs that are available for Excel or Office are Component Object Model (COM) add-ins) |
| comp., MS | Mail Migration add-on | Setlaleletši sa Mail Migration (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 | PowerPoint add-in | Setlaleletši sa PowerPoint (An optional Live Meeting tool that allows users to create Live Meeting slides and add a presenter photo as part of a Microsoft PowerPoint file) |
| comp., MS | Quick add | Koketso ya ka pela (The Web page object that assists users in finding both public (Web and Windows Live) and private (my Windows Live content) content for insertion into their authored content) |