.VSDX File

The vsdx file extension is associated with the Microsoft Visio, a diagramming utility that is distributed with some editions of Microsoft Office suite for Microsoft Windows.

The vsdx file represents diagram drawing saved in OPC/XML format and  compressed with ZIP compression. To view content of Visio drawings, rename .vsdx suffix to zip and open the file in any compatible archiving tool.  Format was introduced in Microsoft Visio 2013.

VSDX format replaces old VSD and VDX formats.

Mime type used for vsdx files:
application/vnd.visio2013
application/vnd.visio

Files with vsdx file extension are almost always graphics diagrams made and saved in latest versions of Microsoft Visio diagramming program.

How to open:

Use Microsoft Visio 2013 and above versions to open .vsdx drawing files. On Apple Mac OS X use ConceptDraw PRO software.

How to convert:

You can use Visio or other related apps to transform VSDX diagram to other formats.