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xlsx

Open, modify, and convert spreadsheet files across XLSX, CSV, and TSV formats.

Updated Mar 29, 2026
Search Tags:#formatting#formulas#spreadsheet#xlsx#csv#data-cleaning
One-click install
npx skills add https://github.com/sigitpoerwo/repoworkspace_zahra --skill xlsx-sigitpoerwo
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/sigitpoerwo/repoworkspace_zahra/tree/main/skills/01-SIAP-PAKAI/writing/xlsx
Command: npx skills add https://github.com/sigitpoerwo/repoworkspace_zahra --skill xlsx-sigitpoerwo

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Open, read, edit, and fix existing spreadsheets across .xlsx, .xlsm, .csv, and .tsv formats. Create new spreadsheets from scratch or from other data sources. Convert between tabular formats and clean up messy data, ensuring the deliverable is always a spreadsheet file.

Core Features & Use Cases

  • Open, read, edit, format, and fix spreadsheet files (xlsx/xlsm/csv/tsv).
  • Create new spreadsheets from data sources or from scratch, with optional formula insertion and formatting.
  • Convert between tabular formats (e.g., CSV to XLSX, TSV to XLSX, XLSX to CSV) and sanitize malformed data.
  • Trigger when a user references a spreadsheet file by name or path (e.g., "the xlsx in my downloads") and needs it processed.
  • Clean or restructure messy tabular data into well-formed spreadsheets and export to the desired format.

Quick Start

Provide a spreadsheet file as the deliverable after performing requested edits or conversions.

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 XLSX format?▼

You can convert CSV files to XLSX format by opening the source tabular data and exporting it as a clean XLSX spreadsheet. This process handles cross-format conversions between CSV, TSV, and XLSX while sanitizing malformed data.

What is the best way to clean messy spreadsheet data automatically?▼

Cleaning messy spreadsheet data is best handled through deterministic, script-driven operations that restructure malformed tabular entries. This process processes the input file and delivers a sanitized, well-formed spreadsheet in your desired format.

Can I insert formulas into a new spreadsheet from scratch?▼

Yes, you can insert formulas into a new spreadsheet created from scratch or derived from other data sources. This process applies formula insertion and formatting to produce a clean, usable spreadsheet file as the final deliverable.

Does this tool support opening and fixing existing XLSX and TSV files?▼

Yes, this tool supports opening, reading, editing, and fixing existing spreadsheet files across XLSX, XLSM, CSV, and TSV formats. It modifies the original data and ensures the deliverable is always a corrected spreadsheet file.

When do I need to use a script-driven approach for spreadsheet formatting?▼

A script-driven approach for spreadsheet formatting is necessary when processing real-world datasets that require deterministic operations. This ensures consistent data-cleaning, reliable formula insertion, and precise formatting without manual intervention.

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