An abstract of the spell check tool in Microsoft Word.

Spell checker

Get instant corrections with the free spell checker from Microsoft Word.

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Spelling corrections that ensure clear, professional writing

Write with confidence using the Microsoft Word AI-driven spell checker. Instantly detect and correct spelling mistakes as you type, ensuring clear, professional, and accurate writing in every document. Benefit from real-time spelling corrections, and context-aware suggestions for smarter, more natural phrasing.

Eliminate spelling mistakes instantly

Writing with confidence starts with error-free text. The Word online spell checker automatically highlights and corrects spelling mistakes, offering smarter corrections that improve readability and fluency. Word recognizes regional spelling variations, common misspellings, and sentence flow to suggest corrections that keep your writing natural and professional.

An example of a word that has been incorrectly spelt.

Correct spelling instantly as you write

Word spell checker works in real-time, underlining spelling mistakes as you type. With one click, you can correct errors and refine your writing instantly when drafting your document. Word helps eliminate spelling mistakes without interrupting your workflow.

An abstract image of the spell check tool in Microsoft Word.

AI-powered accuracy for smarter suggestions

Go beyond basic spell checking with intelligent AI-powered spelling suggestions that consider the context of your sentence. Word helps you choose the right words, fix typos, and correct common errors to improve readability and clarity.

An example of Copilot in Microsoft Word.

Spell check in multiple languages

Spell check content in over 20 global languages and dialects. Word multilingual spell checker ensures that your writing is fluent and professional in any language. Word also supports regional language variations such as US, UK, Canadian, and Australian English, adapting to the specific rules of each country’s dialects.

Spell check in multiple languages.

Seamless integration across Microsoft 365 apps

Use the free spell checker across Word, Outlook, and other Microsoft 365 apps for seamless corrections. Enjoy automatic spelling and grammar suggestions while you write. This keeps your writing consistent across emails, reports, and collaborative documents, without the need for any additional tools or app extensions.

Seamless integration with Microsoft 365 apps.

Completely free and always accessible

Word spell checker is built-in and ready to use—no downloads, extensions, or subscriptions required. Just open a new document and start typing, and AI-powered spelling corrections are readily available.

Spell check free and always available

Common spell checker use cases

  • Professionals: keep reports, presentations, and emails mistake-free.

  • Students & researchers: ensure assignments and papers are polished and professional.

  • Writers & content creators: improve spelling accuracy and readability with AI-powered suggestions.

  • Multilingual users: spell check in over 20 different global languages and dialects for effective international communication.

Common spell check use cases.

How to use spell checker in Word

  1. Open Microsoft Word and start typing in a new or existing document.

  2. Identify misspelled words, which appear underlined in red.

  3. Apply corrections by clicking the word to view suggested spellings and selecting the best option.

To customize spell check settings, go to Review > Spelling & Grammar in the toolbar to turn on or off specific features.

An abstract of the spell checker tool in Microsoft Word.

Frequently asked questions