AddIn.Installed Property (Excel)

Office 2013 and later

Contribute to this content

Use GitHub to suggest and submit changes. See our guidelines for contributing to VBA documentation.

True if the add-in is installed or to install the add-in, False if the add-in is uninstalled or to uninstall the add-in. Read/write Boolean.

expression .Installed

expression A variable that represents an AddIn object.

Setting this property to True installs the add-in and calls its Auto_Add functions. Setting this property to False removes the add-in and calls its Auto_Remove functions.

This example uses a message box to display the installation status of the Solver add-in.

Set a = AddIns("Solver Add-In") 
If a.Installed = True Then 
 MsgBox "The Solver add-in is installed" 
 MsgBox "The Solver add-in is not installed" 
End If


Other resources