COM Structured Storage
COM Structured Storage ( variously also known as "COM structured storage" or "OLE structured storage" ) is a technology developed by Microsoft as part of its Windows operating system for storing hierarchical data within a single file . 
<triplet> COM <subj> Microsoft <obj> developer <triplet> Microsoft <subj> Windows <obj> product or material produced <triplet> Windows <subj> Microsoft <obj> developer <subj> operating system <obj> instance of