You can simply resave DOTX template to ODT format in Microsoft Word or any suitable word processor. However, in doing so, you will most likely loose any special formatting exclusive to Microsoft format.
Convert Microsoft Word XML document template to ODF text document.
We found 7 software records in the database related to .dotx to .odt file format conversion.
Microsoft Windows software - convert dotx to odt on Windows
A free word processing program, part of GNOME office productivity bundle
Convert from dotx 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 dotx 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 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
Linux/Unix software - convert dotx to odt on Linux
An open source word processor for Linux
Multiplatform software - convert dotx 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