VSS File Documentation

Overview

Feature Value
File Extension .vss
MIME Type application/vnd.visio
Primary Use Storing reusable shapes and drawings for Microsoft Visio
Developer Microsoft
Introduced 1992
File Category Vector Graphics
Binary or Text Binary
Editable Yes, with Microsoft Visio
Encryption Support No
Compression Yes, internally within the file structure
Compatibility Primarily with Microsoft Visio, but can be partially opened or converted with other software
Standalone No, typically used within Visio projects
Vector or Raster Vector
Default Open With Microsoft Visio
Can Contain Text Yes
Can Contain Images Yes
Layer Support Yes
Scripting Support Yes, through Visio's support for VBA (Visual Basic for Applications)
Multi-page Support No (typically, a stencil includes shapes, not pages; but could be part of multi-page VSD files)