Program Identifier (ProgID)
A unique name identifying a program or COM object. Unlike a Globally Unique Identifier (GUID), a ProgID is usually an intelligible alphanumeric string — for example, Microsoft.Word.8.
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A unique name identifying a program or COM object. Unlike a Globally Unique Identifier (GUID), a ProgID is usually an intelligible alphanumeric string — for example, Microsoft.Word.8.