AddIns2 Object (Excel)
A collection of AddIn objects that represent all the add-ins that are currently available or open in Microsoft Excel, regardless of whether they are installed.
Version Information
Version Added: Excel 2010
Remarks
The contents of the AddIns2 collection correspond to the list of add-ins displayed in the Add-Ins dialog box (Add-Ins command on the Developer tab) and any add-ins that are currently open.