# XLSX

Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from scratch or from other data sources; or convert between tabular file formats. Trigger especially when the user references a spreadsheet file by name or path — even casually (like \"the xlsx in my downloads\") — and wants something done to it or produced from it. Also trigger for cleaning or…

## Manifest

```json
{
  "name": "XLSX",
  "description": "Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from scratch or from other data sources; or convert between tabular file formats. Trigger especially when the user references a spreadsheet file by name or path — even casually (like \\\"the xlsx in my downloads\\\") — and wants something done to it or produced from it. Also trigger for cleaning or…",
  "source_url": "https://github.com/anthropics/skills/tree/main/skills/xlsx",
  "source_pin": null,
  "manifest_hash": "9d20fa53c006e15c6f01f36c5f9932bde8e473d3bdcdcc17d399be40cb857dff",
  "risk_tier": "T2"
}
```

## SBOM

```json
null
```