Open, read, edit, and create spreadsheets (.xlsx/.csv/.tsv) - formulas, formatting, charts, and cleaning messy tabular data.
---
name: xlsx
description: Open, read, edit, and create spreadsheets (.xlsx/.csv/.tsv) - formulas, formatting, charts, and cleaning messy tabular data.
---
# Spreadsheets (xlsx)
This is an official Anthropic skill, distributed by Anthropic in the
[anthropics/skills](https://github.com/anthropics/skills/tree/main/skills/xlsx) repository.
Skill Me lists it for discovery and provenance, but does not redistribute its
body (it is proprietary - © Anthropic, PBC, all rights reserved).
## Get the full skill
- Install from source: `npx skills add anthropics/skills`
- Or browse it directly: https://github.com/anthropics/skills/tree/main/skills/xlsx
- Several Anthropic skills also ship built-in with Claude Code and claude.ai.