Download and install the latest version of Filestar.
Right click on one or more Wk1 file(s) on your desktop and select Convert with Filestar.
Type split sheets in the search box.
Press Split.
Or let an AI agent do it: filestarcli -i file.wk1 -c "split sheets" (how).
Let your AI agent split WK1 sheets
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.
“Use Filestar to split WK1 sheets in my Downloads folder”
Or run it yourself:
filestarcli -i file.wk1 -c "split sheets"
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 split WK1 sheets?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.wk1 -c "split sheets" on your computer, so your files stay on it.
Lotus Worksheet (wk1) is a file type used by the Lotus 1-2-3 spreadsheet application. It is a binary file format used to store worksheets, which can contain numerical and textual data, as well as formulas, charts, and images. It is now considered an obsolete file type and is replaced by the newer xlsx format.
