xlsx

name	xlsx
description	Create/edit/analyze/verify spreadsheet workbooks including XLSX/CSV/TSV.
invocation	model+user

Xlsx

When to use

Use for spreadsheets, tabular analysis, formulas, and charts in workbooks.

Compatibility

spreadsheets is a compatibility alias for this skill.

Workflow

1. Prefer structured tables with clear headers.
2. Keep formulas auditable.
3. Verify by reopening and checking key cells/aggregates.