Microsoft Editor

Microsoft Editor is a writing assistant for people who want spelling and grammar checks in Word, Outlook, or a browser. It is most compelling for Microsoft 365 subscribers; the free tier is a basic checker, not a substitute for its premium style guidance.

Overview

Editor checks spelling, grammar, capitalization, and punctuation, with premium suggestions for clarity, conciseness, and formality. That covers routine proofreading and some sentence-level refinement, but the dividing line is important: free users get basic spelling and grammar help, while the broader editing features come with Microsoft 365.

It provides basic writing guidance in more than 20 languages and spelling suggestions in more than 80. You can spell-check up to three languages at a time. That is useful for multilingual writers working in a few languages, but less accommodating when a document moves among more than three.

Key features

Corrections and style suggestions

Basic checks address common mechanical errors; premium suggestions can help make wording clearer, shorter, or more formal. The range is practical for polishing correspondence and everyday documents, but anyone choosing Editor mainly for stylistic feedback must pay for Microsoft 365. Editor premium is not sold separately.

Similarity checking

The similarity checker finds document content resembling material online and helps cite the original source. It adds a useful source-checking step for writers, but it is a premium feature rather than part of the free checker.

Microsoft app integration and privacy

Editor is available in Word and Outlook, including Word for the web and the desktop app, so it fits naturally into those writing workflows. In Edge, spelling and grammar checks send typed text to a Microsoft cloud service for processing, after which it is deleted. Edge's Basic spellcheck instead checks spelling locally without sending text to Microsoft's cloud spellchecking service. That local option is relevant to users who prefer not to send text for spelling checks, but it is a basic spelling check, not the full cloud-based correction workflow.

Pricing

The free Editor checker covers basic spelling and grammar. Premium features require Microsoft 365, and the one-month free trial applies to the Personal and Family offers on the Editor page.

PlanPrice and termsWhat it includesMicrosoft 365 Personal$9.99 a month, billed monthly; automatically renews unless canceled.One person, five devices at once, 1 TB secure cloud storage, and Editor premium features.Microsoft 365 Family$12.99 a month, billed monthly; automatically renews unless canceled.One to six people, up to five devices per person, 2 TB shared secure cloud storage, and AI for the subscription owner only.Microsoft 365 Business StandardCustom pricing.Up to 300 users and 1 TB storage per user.Microsoft 365 Business PremiumCustom pricing; paid yearly and auto-renews annually.Up to 300 users and 1 TB storage per user.Microsoft 365 Apps for businessCustom pricing.Up to 300 employees and 1 TB storage per user.Microsoft 365 Business Standard (no Teams)Custom pricing; paid yearly and auto-renews annually.Up to 300 users and 1 TB storage per user.Personal is the direct fit for an individual who wants Editor premium and the included storage. Family costs more but can cover up to six people, with shared storage; its AI access is restricted to the subscription owner. The business plans provide larger organization limits and per-user storage, but their pricing is custom rather than a fixed monthly figure. If you only need basic corrections, the free tier avoids a subscription but gives up style suggestions and similarity checking.

Platforms

Editor is available as a browser extension and on macOS, Windows, and the web. It also works in Word and Outlook.

Who it's for

Editor makes the most sense for people who already write in Word or Outlook and want corrections in that workflow, especially Microsoft 365 subscribers who can use its premium suggestions and similarity checker. Multilingual writers also get broad language coverage, provided their simultaneous spell-check needs stay within three languages. Those seeking only basic spelling and grammar can use the free tier; writers who need advanced suggestions without a Microsoft 365 subscription should look elsewhere.

Pros and cons

Pros: Broad language reach, with guidance in more than 20 languages and spelling suggestions in more than 80, suits writing across several languages.

Pros: Word and Outlook integration keeps checking close to common Microsoft writing workflows.

Pros: Edge offers local Basic spellcheck for spelling checks that do not send text to Microsoft's cloud spellchecking service.

Cons: Premium suggestions and similarity checking require Microsoft 365, so users wanting those features cannot buy Editor premium on its own.

Cons: Only three languages can be selected for spellchecking at once, which limits documents mixing more languages.

Cons: Cloud-based Edge spelling and grammar checks send typed text to Microsoft for processing, which may not suit every privacy preference.

Alternatives

For a wider choice, browse Grammar checkers, AI Grammar Checkers, or Text Editors.

MerciApp is another freemium option, with a free plan that analyzes 600 words per day and includes three Transform rewrites per day, plus free 30-day trials of Transform and other features.

LanguageTool is a freemium alternative with a 2,000-character limit per text field on its Basic plan and 150,000 characters per field on Premium Monthly.

Sapling is a freemium option with browser-extension, web, API, Windows, and self-hosted platforms; its free plan includes AI detector checks and snippets.

Duden-Mentor is another freemium writing assistant, with a free Basis plan for German-language users.

iGrammar offers a free plan with ten corrections, grammar and spelling checks, summarizing, and paraphrasing.

Grammarly has a free plan for individuals with 100 AI prompts per month and a Pro plan at $12 a month with 2,000 prompts per member per month.

Ginger is a freemium alternative with a Premium Monthly plan at $13 a month and no free trial.

Trinka is another freemium alternative, with no free trial.

Verdict

Choose Microsoft Editor if you write in Word or Outlook, want broad language coverage, and already have or plan to buy Microsoft 365 for premium editing. Its main advantage is combining routine corrections, style guidance, and similarity checking within that ecosystem. Look elsewhere if you want advanced editing without a Microsoft 365 subscription or need to spell-check more than three languages simultaneously.