This odm to rtf conversion looks like to be just a matter of re-saving OpenDocument global text documents (.odm) to Rich Text Format (.rtf). This can be done with many word processing programs, especially those that use formats based on the OpenDocument schema.
Convert OpenOffice.org OpenDocument global text document to Rich Text Format document.
We have found 4 software records in our database eligible for .odm to .rtf file format conversion.
Microsoft Windows software - convert odm to rtf on Windows
A free word processing program, part of GNOME office productivity bundle
Convert from odm 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 odm to rtf. 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.
Linux/Unix software - convert odm to rtf on Linux
An open source word processor for Linux
Multiplatform software - convert odm to rtf on any platform
Word processor and text editor from OpenOffice.org suite
Full-featured word processing and desktop publishing tool from LibreOffice suite