an additional program, procedure or function, that is loaded automatically when Excel (or another application) is started
an application that runs inside Media Center
a program that can be attached to Excel to give it additional functionality
a program that runs within your native CAD environment
a small program that provides additional commands and features to Microsoft FrontPage
a supplemental program to enhance the current application
a utility program that can be added to a main program, in this case the main program is Excel
Software that extends an application by adding functionality that is not in the main application. For example, the Microsoft Office 2000 MultiLanguage Pack includes several localized Excel add-ins.
Extra features available in most Microsoft applications, but usually requiring installation from the original CD-ROM.
Software that extends an application by adding functionality that is not in the main application. For example, an add-in might add new menu commands or toolbar buttons that display custom forms to add new features to an application.
A program that runs within another program enabling additional functions to be preformed without leaving the native environment.
A mini program which runs in conjunction with a web browser or other application that enhances the functionality of that program. In order for the add-in to run, the main application must be running as well.