Download and install the latest version of Filestar.
Right click on one or more Sdc file(s) on your desktop and select Convert with Filestar.
Type convert to xltx in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.sdc -c "convert to xltx" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.sdcContract.sdc
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
ConvertMergeCompressExtractMoveZip
Let your AI agent convert SDC to XLTX
Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine. It works on Windows, macOS only.
“Convert the SDC files in my Downloads folder to XLTX”
Or run it yourself:
filestarcli -i file.sdc -c "convert to xltx"
Runs on your computer, so your files stay on it. Works on Windows and macOS. 50 free conversions with the npm install, no account needed.
Can my AI agent convert SDC to XLTX?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.sdc -c "convert to xltx" on your computer, so your files stay on it.