Your best option for conversion or exporting of Corel Presentation exchange files (.cmx) would be to use CorelDraw as it can handle the format pretty well and also supports plenty of other graphics formats, including standard SVG vector graphics.
Convert Corel Presentation exchange file to XML based scalable vector graphics format.
We found 2 software records in the database related to .cmx to .svg file format conversion.
Microsoft Windows software - convert cmx to svg on Windows
A set of applications used by professional graphic designers
Convert from cmx file format
|Yes, CorelDraw Graphics Suite supports svg file conversion as a target file type.||Yes||Yes||svg editor||Yes||Yes||Yes||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 cmx to svg. 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.
Multiplatform software - convert cmx to svg on any platform
A vector graphics editor