Excel / Spreadsheet Skill
Officialby Anthropic
data processingbeginner
ExcelspreadsheetXLSXCSVfinancial modelingdata processingClaude Code
Official Anthropic skill that enables Claude to create, read, edit, fix, and convert Excel and spreadsheet files with professional formatting. Handles .xlsx, .xlsm, .csv, and .tsv formats with industry-standard financial modeling conventions.
Installation
claude skills add anthropics/skills/xlsx
Key Features
- ✓Create professional Excel files with industry-standard color coding and formatting
- ✓Read and analyze existing spreadsheets, identifying errors and inconsistencies
- ✓Build financial models with zero formula errors using Claude's formula construction guidelines
- ✓Convert between .xlsx, .xlsm, .csv, and .tsv formats automatically
- ✓Apply number formatting standards for currency, percentages, and financial multiples
Use Cases
- →Building financial models with correct DCF formulas, waterfall charts, and scenario analysis
- →Cleaning and normalizing messy CSV data exports from databases or SaaS tools
- →Converting Excel reports to CSV for downstream data pipelines
- →Auditing spreadsheets for broken formulas, circular references, or data inconsistencies
- →Creating structured data tables from unstructured documents or research notes