It is possible to simply re-save Microsoft DOCX documents to OpenDocument text format (ODT) in several popular word processing programs.
Convert Microsoft Word Open XML document to ODF text document.
We have found 13 software records in our database eligible for .docx to .odt file format conversion.
Microsoft Windows software - convert docx to odt on Windows
A free word processing program, part of GNOME office productivity bundle
Convert from docx 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 docx to odt. 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 shareware word processor program
A free set of productivity tools for creating and editing of various documents, spreadsheets or presentations from IBM
A reliable word processor from SoftMaker Office suite
One of the most popular word processor program from Microsoft Office suite
Basic text editor distributed with Microsoft Windows
Apple macOS / Mac OS X software - convert docx to odt on OS X
A Mac version of the Abiword word processor
A full-featured set of office applications for Mac OS X
Linux/Unix software - convert docx to odt on Linux
A Linux version of the Abiword word processor
An open source word processor for Linux
Multiplatform software - convert docx to odt on any platform
Word processor and text editor from OpenOffice.org suite
Full-featured word processing and desktop publishing tool from LibreOffice suite
On-line services software - convert docx to odt on web
Word processor web app from Google