Open a Command Box and type:
dumpbin /exports <name_of_program>|find "DllGetClassObject"
If that method is present, the program is a COM.
Or use Dependency Walker and search for: DllGetClassObject and
DllCanUnloadNow

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-- Baltasar Gracian. (1601-1658) Escritor español.
> Hi group
>
> what can i do to know if a given .exe or .dll file, is com or not?
> thanks very much in advance, Carlos.