Opening VSX Files

The VSX file type is primarily associated with XML for Visio.

VSXFile Extension VSX
File extension: VSX
File type:  Stencil File

What is a VSX file?

VSX files mostly belong to XML for Visio by Microsoft Corporation. Use our "Online VSX Text Viewer" below to analyze your VSX file and to see all text it contains.

How can I open a VSX file?

You need a suitable software like XML for Visio to open a VSX file. You need a suitable software like XML for Visio from Microsoft Corporation to open a VSX file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your VSX file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a VSX file directly in the browser:. Just drag the file onto this browser window and drop it.

Online VSX Text Viewer

Choose your .vsx file to analyze

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Unable to Open a .VSX File? Quick Solutions:

VSX files can come from different programs and aren't universally openable.

  1. Identify the Source: If received from a diagram designer, it is likely a Visio Stencil File. If from a developer, it might be a Visual Studio extension.
  2. Check the Header: Open the file in a text editor or hex viewer to inspect the first bytes.
    • <?xml indicates an XML-based format like XML for Visio by Microsoft Corporation.
    • PK suggests a zipped archive, common in modern extensions.
  3. Use the Original Software: The original program is usually required. Try Microsoft Visio or Visual Studio. If uncertain, ask the sender.
  4. Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text or metadata, and preview when possible.

Technical Data for VSX File Extension

Program ID:
Visio.Stencil.6, VisioViewer.Viewer
Related files:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: Visio.Stencil.11
EXEFile: %ProgramFiles%\Microsoft Office\Visio11\VISIO.EXE %1

ProgramID: Visio.Stencil.6
EXEFile: %ProgramFiles%\Microsoft Office\Visio10\visio.exe %1

ProgramID: VisioViewer.Viewer
EXEFile: %ProgramFiles%\Internet Explorer\iexplore.exe -nohome

ProgramID: Visio.Stencil.11
EXEFile: %ProgramFiles%\Visio\Visio11\VISIO.EXE %1

ProgramID: Visio.Stencil.11
EXEFile: %ProgramFiles%\Microsoft Office\Office12\VISIO.EXE /ro


a vsx Stencil File is a special file format by Microsoft Corporation and should only be edited and saved with the appropriate software.

How to solve problems with VSX files

  • Associate the VSX file extension with the correct application.
  • Update your software that should actually open stencil files. Because only the current version supports the latest VSX file format. Search, therefore, e.g. on the Microsoft Corporation manufacturer website after an available XML for Visio update.
  • To make sure that your VSX file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .VSX file online - secure, fast, and no downloads needed.
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