Free online spell checker
Fix spelling errors and improve document accuracy with real-time corrections in Microsoft Word.
Instant spell check for polished writing
Fix spellings with one click
Save time proofreading drafts with real-time spelling corrections. Word automatically detects misspelled words as you type and underlines them for quick revisions. Write, review, and share accurate documents faster, without second-guessing spelling.
Enhance text with AI-powered replacements
Use context-aware AI suggestions to go beyond basic spelling checks. Improve tone, sentence flow, and clarity with recommendations that adapt to any document, for well-written text that remains consistent from start to finish.
Make documents globally accessible
Check text in multiple languages and apply regional spelling variations to maintain accuracy across countries. Adjust language style for different audiences while keeping tone consistent, so documents read naturally and communication stays clear across international teams.
Write faster without losing focus
Correct spelling as you type for polished and uninterrupted writing. Automatic corrections enable faster turnaround times on urgent emails or business memos and reduce the need for multiple rewrites. Easily draft long documents in one go without having to pause and review spelling frequently.
Elevate simple text into professional writing
Go beyond correcting mistakes by using AI suggestions to refine readability, structure, and tone. In some cases, Copilot suggests better word choices alongside revisions, making it easier to polish presentations and reports. Rely on the built‑in spell check tool to enhance academic or business documents without switching to external applications.
Adapt writing for different audiences
Prepare documents for international readers across languages and regional spelling variations. Switch between US, UK, or AU English to meet country-specific editorial guidelines and adjust text for diverse audiences. Identify regional mistakes to support fluency and consistency in over 20 languages to cater to local or global readers.
Surface mistakes before saving and sharing
Fix spelling errors early to reduce rework, improve first impressions, and avoid back‑and‑forth corrections. Review files like technical documents, assignments, and training materials so they’re polished and ready to send. Make quick spelling adjustments instantly to keep writing professional and clear.
Proofread lengthy documents without starting over
Upload and review documents in one place to keep text consistent and fix errors without rewriting or reformatting. Edit existing files that require frequent updates, like cover letters and resumes to stay aligned with application deadlines. Process documents in a single workflow to reduce manual proofreading time and boost overall efficiency.
Turn working drafts into polished documents
Take a draft from basic to submission-ready with instant guidance on spelling, enhancing tone, and clarity. Refine accuracy as you work to save time on final edits for papers and create well-rounded business documents faster.
How to spell check in Microsoft Word
Create a new document or open an existing file in Word for the web.
Enter text or copy and paste text onto a page to edit a pre-written document.
Find all spelling mistakes underlined in red.
Review spelling errors and select a spelling recommendation to replace.
Proofread text to fix last-minute errors.
Save and share as a Word document link or export as a PDF for printing.
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Frequently asked questions
How to turn on spell check in Microsoft Word?
Spell check is turned on by default in Word for the web, and Word desktop app. If you would like to manually turn it on, go to Review > Spelling and Grammar in the ribbon in Word for the web. For more detailed editing insights, use document editor found in the Editor tab.
How to check spelling in other languages?
Set a preferred language in Review > Editor > Set Proofing Language to check spelling in over 20 different languages and regional dialects. Alternatively, right click anywhere on the page and select Set Proofing Language from the dropdown menu. Update documents like business proposals, emails, and memos for international markets with confidence.
Is spell checker in Microsoft Word free to use?
Spell check is built into Microsoft Word and is available to all users at no cost. Easily check spelling on any Word document like reports, blogs, technical documents, and more.
How to upload a document to check spelling in Word?
In Word for the web, select Open and choose a recent document in OneDrive or select a file from the device to edit. Correct spelling errors that appear underlined in red or select AI-powered suggestions for enhancing sentence quality. Directly update documents like resumes and cover letters using helpful recommendations in Word.
Does spell check in Word improve writing?
Spell checker in Microsoft Word improves writing accuracy, identifies misspelled words, and suggests corrections in real time. Word spell check also supports clearer communication by reducing errors and maintaining consistency across documents, especially when working on letters, emails, or business plans.
