Before exiting Excel, which event in the Add-In's Workbook will allow me
to
release the reference (MyExcelApp) to the application?

The Workbook_BeforeClose event would be the place to do this. Note that
if you do this in an unsaved normal workbook rather than an add-in the user
can still stop your workbook from closing if Excel is not prevented from
displaying the save prompt, which fires after the Workbook_BeforeClose
event, potentially leaving the application in a bad state. This situation
shouldn't arise with an add-in, so you'll be OK using it there.

--
Rob Bovey, Excel MVP
Application Professionals
http://www.appspro.com/

* Take your Excel development skills to the next level.
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"cgr" wrote in message
...
The Workbook of the Add-In contains the following code:


Private WithEvents MyExcelApp As Excel.Application

Private Sub Workbook_Open()

If MyExcelApp Is Nothing Then

Set MyExcelApp = ThisWorkbook.Application

End If

End Sub


Before exiting Excel, which event in the Add-In's Workbook will allow me
to
release the reference (MyExcelApp) to the application?