Visio

Visio is a vector-graphic diagramming program by Microsoft, part of some versions of their Office suite. It was formerly an independent program from Shapeware.

Proprietary binary

 * VSD: Drawing
 * VSS: Stencil
 * VST: Template

DataDiagrammingML (XML)

 * VDX: Drawing
 * VSX: Stencil
 * VTX: Template

OPC/XML

 * VSDX: Drawing
 * VSDM: Drawing, macro-enabled
 * VSSX: Stencil
 * VSSM: Stencil, macro-enabled
 * VSTX: Template
 * VSTM: Template, macro-enabled

Other

 * VSW: Web drawing
 * VSL: Add-on

Related formats

 * DataDiagrammingML

Links

 * Wikipedia article
 * Visio official site
 * Visio viewer for MSIE