Download and install the latest version of Filestar.
Right click on one or more Sti file(s) on your desktop and select Convert with Filestar.
Type convert to ppsx in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.sti -c "convert to ppsx" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.stiContract.sti
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert STI to PPSX
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.
Install Filestar and add it to your agents:
npm install -g filestar
filestarcli agent install
Then ask your agent:
“Convert the STI files in my Downloads folder to PPSX”
Or run it yourself:
filestarcli -i file.sti -c "convert to ppsx"
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 STI to PPSX?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.sti -c "convert to ppsx" on your computer, so your files stay on it.
STI files are template files used by StarOffice presentation software. They are used to create presentation slides with a pre-defined theme, layout, and formatting. STI files store themes, backgrounds, graphics, and text styles which can be used to quickly create custom presentations.
A PPSX file is a slide show created by Microsoft PowerPoint or another presentation program, such as OpenOffice Impress or SoftOffice Presentations. It contains a finished collection of slides that are used for slide show playback.