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CLSID
Last modified: Wednesday, April 26, 2006
Abbreviation for class identifier, it identifies a COM
object. The CLSID structure wraps the COM class
identifier structure, which serves as a unique identifier for a specific COM
class.
MSDN Library - CLSID Structure CLSID is an abbreviation for class identifier, in the same way that GUID is an abbreviation for globally unique identifier.