Microsoft office supports ODT these days... you can tell them to "just open it in Office" and it will work.
Also, the LibreOffice DOCX export filter is pretty good. Not perfect, but then, if you need that perfection, why not submit a PDF?
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And finally: To help LibreOffice (and its filters) improve, we need to contribute either money or development time: www.libreoffice.org/donate
Microsoft office supports ODT these days... you can tell them to "just open it in Office" and it will work.
Also, the LibreOffice DOCX export filter is pretty good. Not perfect, but then, if you need that perfection, why not submit a PDF?
---
And finally: To help LibreOffice (and its filters) improve, we need to contribute either money or development time: www.libreoffice.org/donate