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The Unix file command identifies pre-OOXML Microsoft .doc, .xls, and .ppt files as Composite Document File V2 Document, Little Endian, Os (sometimes with additional text at the end) and the page Composite Document File redirects here. It would be nice if this article could confirm that this is the same thing rather than having users rely solely upon the redirection, but I do not feel expert enough to make that edit. "CDF" seems more commonly applied to Microsoft's Channel Definition Format than to Composite Document File, though there are many other CDFs: It appears NASA's Common Data Format has a capitalized "CDF V2" as well. It seems (citation needed) that CFBF contains OLE 2. The OLE page linked to Compound document until just now, as I've revised it to link here instead. Adam KatzΔ☎21:46, 23 November 2016 (UTC)[reply]
