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MS Office Add-In

Add-Ins are components that can be installed on the computer to augment the functionality of Office products.

MS Office add-ins include the following technologies:

COM add-ins
Visual Studio for Office (VSTO) add-ins
Automation add-ins
RealTimeData (RTD) servers
Application add-ins (such as .wll, .xll, .xlam, …)
XML expansion packs
XML style sheets

The extent of trust granted to add-ins can be controlled in the Trust Center.

TODO

application.commandBars.executeMso "AddInManager"
application.commandBars.executeMso "ComAddInsDialog"

See also

Add-Ins (Excel)

The menu File -> Options -> Add-ins allows to enable or disable add-ins.

Which Add-Ins are loaded for a specific Office product is stored in the registry under the key HKLM|HKCU\Software\Microsoft\Office\{application-name}\Addins

Comparew with HKLM|HKCU\Software\Policies\Microsoft\Office\v.v\{app-name}\Resiliency\AddInList.

C:\Program Files\Microsoft Office\root\OfficeX\Library

The Developer tab on the Ribbon