# Word / DOCX

> Create, inspect, and edit Microsoft Word documents and DOCX files with reliable styles, numbering, tracked changes, tables, sections, and compatibility checks.

- Skill: `ruc-nlpir/word-docx` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add ruc-nlpir/word-docx`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ruc-nlpir/word-docx/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Docs & Writing
- Author: ruc-nlpir (https://skillmd.com/u/ruc-nlpir)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/ruc-nlpir/word-docx

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## When to Use

Use when the main artifact is a Microsoft Word document or `.docx` file, especially when tracked changes, comments, headers, numbering, fields, tables, templates, or compatibility matter.

## Core Rules

- A `.docx` file is a ZIP of XML parts, so structure matters as much as visible text.
- Prefer named styles over direct formatting so the document stays editable.
- Lists and numbering belong to Word's numbering definitions, not pasted Unicode characters.
- Page layout lives in sections — margins, orientation, headers, footers, and page numbering.
- Visible text is not the full document when tracked changes are enabled.
- Verify round-trip compatibility before delivery.

## Common Traps

- Copy-paste can import unwanted styles and numbering definitions.
- Empty paragraphs used as spacing make templates fragile.
- A clean-looking export can still hide unresolved revisions, comments, or stale field values.
- Table auto-fit and percentage-like width behavior can drift in Google Docs or LibreOffice.