Creating 2nd Instance of Excel

S

Shacho

I am using CreateObject to create a second instance of Excel in memory. Is
there any way to make this new instance unaccessable to users?
Application.Visible hides the interface, but if the user opens and Excel
File, Windows opens it in the new instance. Is there some sort of Windows
API function ot application property that I can use to tell Windows which
instance of Excel to use when users open files with double click?
 
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