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.