| Subject | English | Estonian |
| comp., MS | add-in function | lisandfunktsioon (A worksheet function that is provided by an add-in, instead of being built-in) |
| comp., MS | COM add-in | COM lisa (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 | Conferencing Add-in for Microsoft Office Outlook | konverentsilisa Microsoft Office Outlookile (A Microsoft Outlook add-in that allows you to schedule a Live Meeting or Lync or Office Communicator conference call from Outlook) |
| comp., MS | Conferencing Add-in for Microsoft Outlook | Konverentsilisa Microsoft Office Outlookile (A Microsoft Outlook add-in that allows you to schedule a Live Meeting or Lync or Office Communicator conference call from Outlook) |
| comp., MS | Microsoft Online Services Sign-In Add-On | teenuse Microsoft Online Services sisselogimise lisandmoodul (A required update for Microsoft Online Services that updates the Microsoft Online Services ID Sign-In Assistant to work with other Office programs) |