Any program capable of viewing and printing Visio drawings (*.vsdx) is capable of exporting them to PostScript files using a virtual printer installed. It is not installed in Windows or any other system by default so you need to first install a virtual PostScript printer driver.
Convert Microsoft Visio drawing to Encapsulated PostScript file.
We have found 2 software records in our database eligible for .vsdx to .eps file format conversion.
Articles and other information relating to vsdx into eps conversion:
How to install a virtual PostScript printer in Windows - Using universal PS drivers to install virtual printer in latest Windows
Microsoft Windows software - convert vsdx to eps on Windows
A versatile diagramming program
Convert from vsdx 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 vsdx to eps. 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 vsdx to eps on any platform
A vector graphics editor