Verified:GitHub

xlsx

Clean and convert tabular files into valid Excel spreadsheets.

1|Updated Mar 13, 2026

Search Tags:#xlsx #data cleaning #formula validation #LibreOffice recalculation #tabular conversion #spreadsheet formatting

Ready to run

npx skills add https://github.com/pferretti99/learnshareremix-2026-labcamp-cursor-vs-copilot --skill xlsx-pferretti99

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/pferretti99/learnshareremix-2026-labcamp-cursor-vs-copilot/tree/main/skills/anthropic-official/skills/xlsx
Command: npx skills add https://github.com/pferretti99/learnshareremix-2026-labcamp-cursor-vs-copilot --skill xlsx-pferretti99

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

The xlsx skill solves the problem of safely creating, fixing, and reformatting spreadsheet deliverables (Excel/CSV/TSV) without introducing spreadsheet calculation errors.

Core Features & Use Cases

Create or transform tabular files: Generate new spreadsheets from scratch or from other tabular data sources.
Repair and clean messy inputs: Fix malformed rows, broken headers, and junk data by restructuring it into a proper spreadsheet.
Edit existing workbooks while preserving conventions: Update spreadsheets while matching existing templates and formatting patterns.

Use case example: You have a messy CSV export with inconsistent columns and duplicated headers; use this skill to clean it into a correct .xlsx with standardized layout and zero Excel formula errors.

Quick Start

Use the xlsx skill to clean and restructure the attached file 'data.csv' into a valid 'data.xlsx' with correct columns and recalculated formulas.

Frequently Asked Questions about xlsx

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I clean a messy CSV export with inconsistent columns and duplicated headers?▼

To clean a messy CSV export, you can restructure inconsistent columns and duplicated headers into a proper .xlsx spreadsheet with standardized layout, professional styling, and zero formula errors.

What is the best way to convert tabular files between .xlsx, .csv, and .tsv formats?▼

The best way to convert tabular files is to open, clean, and export data between .xlsx, .csv, and .tsv formats while applying professional formatting and strict formula validation to prevent calculation errors.

How do I fix Excel formula errors like #REF!, #DIV/0!, and #VALUE! in my spreadsheets?▼

To fix Excel formula errors like #REF!, #DIV/0!, and #VALUE!, you can apply strict validation and recalculation during data cleaning to repair malformed rows and ensure correct spreadsheet outputs.

Can I update existing workbooks while preserving their original formatting and templates?▼

Yes, you can edit existing workbooks while preserving their original conventions, matching existing templates and formatting patterns to safely update spreadsheets without introducing calculation errors.

Does spreadsheet formatting and charting require LibreOffice recalculation?▼

Spreadsheet formatting and charting often require LibreOffice recalculation to ensure correct formula validation, preventing failure modes and producing accurate, professionally styled spreadsheet deliverables.