Download and install the latest version of Filestar.
Right click on one or more Vss file(s) on your desktop and select Convert with Filestar.
Type convert to vssx in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i photo.vss -c "convert to vssx" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.vssContract.vss
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
ConvertMergeCompressExtractMoveZip
Let your AI agent convert VSS to VSSX
Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.
Install Filestar and add it to your agents:
npm install -g filestar
filestarcli agent install
Then ask your agent:
“Convert the VSS files in my Downloads folder to VSSX”
Or run it yourself:
filestarcli -i photo.vss -c "convert to vssx"
Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.
Can my AI agent convert VSS to VSSX?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.vss -c "convert to vssx" on your computer, so your files stay on it.
A Visio Stencil File (.vss) is a type of vector graphics format used to store shapes and stencils from Microsoft Visio. It contains a collection of shapes with relevant information such as size, shape, color, and text. The file can be used to create diagrams, flowcharts, and other types of visuals in Visio.
The VSSX file format is based on the OpenOffice format adopted by Microsoft since 2007. It is based on the ZIP archive that represent the overall file format based on XML file format specifications. The binary file format equivalent of VSSX was VSS that was supported till Visio 2007. You can view the contents of VSSX file format by replacing its extension with .ZIP and open in any archiving file format such as WinZIP.
