# XLSX

> Create/edit/analyze/verify spreadsheet workbooks including XLSX/CSV/TSV.

- Skill: `gabrielmoreira/xlsx-4` (Agent Skill)
- Install (CLI): `npx skillmds@latest add gabrielmoreira/xlsx-4`
- Raw SKILL.md: https://api.skillmd.com/api/skills/gabrielmoreira/xlsx-4/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics
- Author: gabrielmoreira (https://skillmd.com/u/gabrielmoreira)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/gabrielmoreira/xlsx-4

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# 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.