ZAMZAR online conversion service supposedly is able to convert DOC files to MOBI ebooks, so it might be the first option to try. Another option would be to re-save the DOC documents to DOCX format in Microsoft Word, and then use Calibre ebook management software to convert DOCX to MOBI.
Convert Microsoft Word 97 to 2003 document to Mobipocket eBook format.
We found 3 software records in the database related to .doc to .mobi file format conversion.
Microsoft Windows software - convert doc to mobi on Windows
A free e-book library management application
Convert from doc file format
|Yes, Calibre supports mobi file conversion as a target file type.||No||No||No||No||No||No||No|
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 mobi. 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.
Apple macOS / Mac OS X software - convert doc to mobi on OS X
A free open source ebook creator, converter and viewer
Linux/Unix software - convert doc to mobi on Linux
Linux version of the popular ebook manager