The problem I have is, that when I read an embedded (ole) (.docx) object from "Access" database .docx. I look for the " 50 4B 03 04 14 00 06 00 " hex header using c#.net. I extracted PDF, DOC, PNG, TIFF without any kind of problem.
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DOCX files are an aggregate (Open Packaging Conventions, OPC) of XML (WordprocessingML) and other formats zipped together. (The overall DOCX / OOXML standard is described here.) Since zipping compresses files, it changes the binary content. Try repeating your method on whichever OPC part you want after unzipping – the key WordprocessingML would be a good place to start: word/document.xml
kjhughes
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