You can simply save DOC document to HTML format in Microsoft Word via the Save as... function. Might be also done in other programs that support DOC format.
Convert Microsoft Word document (prior version 2007) to HTML Hypertext Markup Language web page.
We have found 8 software records in our database eligible for .doc to .htm file format conversion.
Microsoft Windows software - convert doc to htm on Windows
Professional desktop document publishing software from Adobe
Convert from doc 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 doc to htm. 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.
A free e-book library management application
Program for ePUB conversions
One of the most popular word processor program from Microsoft Office suite
An older office and productivity suite for Windows
Apple macOS / Mac OS X software - convert doc to htm on OS X
Mac version od Adobe's popular document designing and publishing software
A free open source ebook creator, converter and viewer
A Mac version of the popular word processing application