| Subject | English | Xhosa |
| comp., MS | add-in | isongezelelo (A supplemental program that can extend the capabilities of an application program) |
| comp., MS | COM add-in | isongezo se-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 | isongezelelo se-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 | PowerPoint add-in | isongezelelo se-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) |