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Open Packaging Conventions
open-in-new
<p>The Open Packaging Conventions (OPC) is a container-file technology initially created by <a href="/facts/Microsoft/nGIDDXdx">Microsoft</a> to store a combination of <a href="/facts/XML/clNgUfWk">XML</a> and non-XML files that together form a single entity such as an <a href="/facts/Open_XML_Paper_Specification/u2W4ES5g">Open XML Paper Specification</a> (OpenXPS) document. OPC-based file formats combine the advantages of leaving the independent file entities embedded in the document intact and resulting in much smaller files compared to normal use of XML.[<i>dubious – discuss</i>] </p>