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VSS VSSX
File conversion

Convert VSS to VSSX

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Is it possible to convert VSS to VSSX?
Yes - VSS converts to VSSX.

Upgrade to the modern stencil format: open the .vss in Microsoft Visio 2013+, then File > Save As > Visio Stencil (*.vssx). VSSX is the ZIP/OPC format (open, more interoperable). Cannot be done without Visio.

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Last verified Oct 2026

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How to convert VSS to VSSX

Converting a .VSS file to .VSSX lets you open the content in software that prefers the .VSSX format, though some details may change compared with the original. The programs listed below open .VSS files and can save or export them to .VSSX (or a closely related format). One of them is Microsoft Visio: Microsoft Visio is one of the elements of Microsoft Office Suite, which can be used to create professional diagrams, organizational schemes, block projects and….

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

Programs that convert VSS

Microsoft Visio

About these formats

.VSS Microsoft Visio Stencil (legacy binary, 2010 and earlier)

A VSS file is a Microsoft Visio stencil - a library of reusable shapes (SmartShapes) used to build Visio diagrams, in the binary format used up to Visio 2010. Open it in Visio via Shapes…

Open .VSS details →
.VSSX Microsoft Visio 2013 stencil file

A .VSSX file is associated with Microsoft Visio 2013 stencil, a data file.

Open .VSSX details →