xlsx

Open, clean, format, and convert spreadsheet files into Excel workbooks.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/chuxiaoguo/skills-repo --skill xlsx-chuxiaoguo
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/chuxiaoguo/skills-repo/tree/main/skills-collection/xlsx
Command: npx skills add https://github.com/chuxiaoguo/skills-repo --skill xlsx-chuxiaoguo

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Spreadsheets are essential for data, but repetitive formatting, cleaning, and format conversions waste time. This Skill automates common spreadsheet tasks to save hours and reduce manual errors.

Core Features & Use Cases

  • Open and edit .xlsx, .xlsm, .csv, and .tsv files, perform formatting, and apply formulas.
  • Create new spreadsheets from scratch or import data from other sources, and convert between tabular formats.
  • Use cases include cleaning messy data, reformatting tables for reports, and converting CSV exports to Excel workbooks for sharing.

Quick Start

Open a sample file like data.csv and save it as data.xlsx after applying a simple formatting pass.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I convert a CSV file to an Excel xlsx workbook?

You can convert CSV to xlsx by importing the delimited text data and applying formatting passes to transform it into a polished, export-ready Excel workbook with validated data types.

Can I use this to clean messy spreadsheet data and apply formulas?

Yes, you can clean messy spreadsheet data and apply formulas by opening .xlsx, .xlsm, .csv, or .tsv files, validating common data types, and computing formulas to produce polished tables.

What is the best way to automate reformatting tables for reports?

Automating table reformatting for reports involves applying formatting passes to spreadsheet inputs, transforming them into structured, export-ready Excel workbooks while reducing manual errors.

Does this tool work with .tsv and .xlsm file formats?

Yes, the tool supports .tsv and .xlsm file formats, allowing you to open, edit, and convert between these tabular formats while enforcing strict input and output handling.

How are missing or corrupted spreadsheet files handled during conversion?

Missing or corrupted spreadsheet files are handled through strict input/output validation, which identifies compromised data and reports clear errors instead of failing silently.