Some word processing programs support the Open Document Interchange Format and can open such documents. After that users can save them to one of the many available format options, including the DOC. This can be possible for example in NeoOffice or LibreOffice Writer.
Convert Open Document Interchange Format (ODIF) to Microsoft Word document (prior version 2007).
We have found 2 software records in our database eligible for .odf to .doc file format conversion.
Apple macOS / Mac OS X software - convert odf to doc on OS X
A full-featured set of office applications for Mac OS X
Convert from odf file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned odf to doc. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Multiplatform software - convert odf to doc on any platform
Full-featured word processing and desktop publishing tool from LibreOffice suite