Download and install the latest version of Filestar.
Right click on one or more Dat file(s) on your desktop and select Convert with Filestar.
Type print in the search box.
Press Run.
Or let an AI agent do it: filestarcli -i file.dat -c "print" (how).
Let your AI agent print Transport Neutral Encapsulation Format
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:
“Use Filestar to print Transport Neutral Encapsulation Format in my Downloads folder”
Or run it yourself:
filestarcli -i file.dat -c "print"
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 print Transport Neutral Encapsulation Format?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.dat -c "print" on your computer, so your files stay on it.
The .dat file type is a data file in the Transport Neutral Encapsulation Format (TNEF). This file type is commonly used by Microsoft Outlook and Exchange to encode email attachments, and contains the message body, subject, and other email properties.
