I needed to convert multiple MSWord documents into the OpenOffice.org format and then later to convert those documents further into HTML. How to do it with a single document is obvious; it took some searching to figure out how to do it for multiple documents.
The magic menu turned out to be File/Wizards (Document Converter and Web Page correspondingly). In a retrospect, it is not unobvious. The only reason it took time is because I very rarely use wizard interfaces of any software.
Be that as it may, the wizards themselves are quite powerful and useful and work just fine on large file sets. The Web Page wizard’s actual purpose is to generate a pretty table of content for the documents, but it will convert all the documents into HTML as a side-effect. So, I just deleted the generated TOC files and kept the converted HTML documents.
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