.VSS File

The vss file extension is associated with Microsoft Visio, an object-based engine using an object template metaphor to produce 2-D diagrams.

The vss file contains smartshapes (stencils) that can be used in Visio program. Various additional vss stencil files can be downloaded from Microsoft website. Try search for "Visio stencil".

MIME types:
application/vnd.visio

Files with vss file extension contain smartshapes and stencils used by Microsoft Visio.

How to open:

Use Microsoft Visio or Visio Viewer to open and load VSS Visio smartshapes file into MS Visio.

How to convert:

Microsodt Visio can save stencils (VSS) as diagrams (VSD/VSDX). Otherwise probably not possible in any other program.