Visio diagram files are used to create different designs like organizational charts, UML diagrams, etc. Whereas, the VTX file format is a drawing template that is saved in XML format. In certain scenarios, you may need to convert a VSD or VSDX Visio file to the VTX format. Accordingly, this article explains how to convert a VSD or VSDX file to VTX format programmatically in Java.