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xlsx

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Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and pivot tables. When Claude needs to work with spreadsheets (.xlsx files) for: (1) Creating new spreadsheets with data and formatting, (2) Reading or analyzing Excel data with pandas, (3) Creating pivot tables programmatically with openpyxl, (4) Building multi-sheet workbooks with source data and pivot table sheets, or (5) Any Excel file operations

tasks/sales-pivot-analysis/environment/skills/xlsx/SKILL.md

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Nov 4, 2026
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Apache-2.0

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# XLSX Creation, Editing, and Analysis

## Overview

This skill covers working with Excel files using Python libraries: **openpyxl** for Excel-specific features (formatting, formulas, pivot tables) and **pandas** for data analysis.

## Reading Data

### With pandas (recommended for analysis)
```python
import pandas as pd

df = pd.read_excel('file.xlsx')  # First sheet
all_sheets = pd.read_excel('file.xlsx', sheet_name=None)  # All sheets as dict