Files with vsx file extension can be found as XML stencils from Microsoft Visio diagramming software.
Software that open vsx file
VSX file extension - Microsoft Visio stencil XML document
What is vsx file? How to open vsx files?
The vsx file extension is mainly related to stencils, a collection of basic drawings and shapes used for creating diagrams in Visio, a business flowcharting program.
It is similar to a standard .vss file, but saved in an XML format.
It appears that the option to save to this file type was removed in version 2013.
Updated: April 18, 2024
The default software associated to open vsx file:
Company or developer:
Microsoft Corporation
Microsoft Visio is a diagram application that creates diagrams using vector graphics. It is distributed as part of the Microsoft Office Family and is also available as a subscription through Microsoft Office 365.
Visio allows users to create professional diagrams with just a few clicks. It makes diagramming simple, whether you want to capture a flowchart that you brainstormed on a whiteboard quickly, map an IT network, build an organizational chart, document a business process, or draw a floor plan.
Microsoft Visio 2010: Visio Viewer 
Company or developer:
Microsoft Corporation
Microsoft Visio 2010: Visio Viewer is used to view drawings and diagrams created in Microsoft Visio (Visio 5.0 - Visio 2010) in the Microsoft Internet Explorer.
List of software applications associated to the .vsx file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open vsx file, edit vsx file, convert vsx file, view vsx file, play vsx file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting vsx files.
Software that open vsx file - Microsoft Visio stencil XML document
Programs supporting the exension vsx on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open vsx file action.
