How does VSTO add-in loads

NOTE: This post is written in the context of Excel, but it is the same for all Office VSTO. Application level VSTO load sequence is triggered when the associated Office application starts. The Application looks into the registry under the key: HKCU\Software\Microsoft\Office\Excel\Addins\[Addin Name]\Manifest Workbook level VSTO load sequence is triggered by opening a workbook. The […]

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