xlsx

Open, edit, and convert XLSX, CSV, and TSV spreadsheet files.

83|18|Updated Jan 25, 2026
One-click install
npx skills add https://github.com/mainza-ai/milimovideo --skill xlsx-mainza-ai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/mainza-ai/milimovideo/tree/main/skills/skills/xlsx
Command: npx skills add https://github.com/mainza-ai/milimovideo --skill xlsx-mainza-ai

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps you automate routine spreadsheet work so you can open, read, edit, and fix .xlsx, .xlsm, .csv, and .tsv files and produce a ready-to-use spreadsheet.

Core Features & Use Cases

  • Open, inspect, and modify spreadsheets across common formats (XLSX, CSV, TSV).
  • Apply formulas, format cells, add or remove columns, and clean messy data to deliver a consistent workbook.
  • Convert between tabular formats (e.g., CSV/TSV to XLSX) and prepare data for reports, dashboards, or data pipelines.

Quick Start

Open a messy sales.csv and generate a cleaned, formatted workbook named cleaned_sales.xlsx with the required columns.

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 a formatted XLSX spreadsheet?▼

You can clean messy spreadsheet data by applying formulas, formatting cells, and adding or removing columns to deliver a consistent workbook. This process enforces professional formatting and ensures zero formula errors, resulting in a ready-to-use spreadsheet.

Can I edit and add formulas to existing XLSX files without breaking templates?▼

Yes, you can modify existing XLSX files while preserving existing templates. The process opens and transforms spreadsheets by applying formulas, formatting cells, and cleaning data to produce a ready-to-use workbook without breaking the original layout.

What is the best way to clean messy data in a TSV file for a data pipeline?▼

The best way to clean messy TSV data is to open and transform the file to produce a clean, production-ready workbook. This approach applies professional formatting, fixes inconsistencies, and prepares the data for reports, dashboards, or data pipelines.

Does this spreadsheet conversion approach support XLSM and TSV formats?▼

Yes, this approach supports opening, reading, editing, and fixing XLSM and TSV formats. It handles common tabular formats including XLSX, CSV, and TSV, converting between them to deliver a ready-to-use spreadsheet with enforced professional formatting.

How do I fix formula errors when converting between tabular formats?▼

To fix formula errors when converting between tabular formats, the transformation process applies formulas and enforces zero formula errors. It opens and modifies the spreadsheet to deliver a consistent workbook with professional formatting and preserved templates intact.