Grammarly Plug-in for Microsoft® Office

The Grammarly Plug-in for Microsoft® Office adds the world's most accurate spell and grammar checker to your Microsoft® Word and Outlook.

  • Plagiarism detector

    Avoid plagiarism by checking your texts against over 8 billion web pages
  • Instant proofreading

    Instantly find and correct over 250 types of grammatical mistakes
  • Context-optimized vocabulary suggestions

    Automatically generate citations using MLA, APA and other styles

Trusted by 3,000,000+ People

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Protect against 150 grammar errors

Check your text for use of grammar rules you never knew existed.
Get accurate error explanations.

Never make a writing mistake again

Spot intricate errors your spellchecker will never pick up.
Find words and phrases inconsistent with context or style of your document to really polish up your writing.

Avoid Plagiarism

Find borrowed text before it gets you into trouble.
Automatically generate references.

Write Eloquently

Use words that make an impact. Liven up your sentences and improve readability with context-optimized synonyms.

Save Time

See all mistakes at a glance, without having to scroll through your document. Make corrections right in Grammarly's slick text editor.

Grammarly's software will help you correct and avoid mistakes in your writing.
Check your writing for grammar, punctuation, style and much more.

Download Now!

Cassandra Lewis Blogger
United Kingdom

“A great piece of software for aspiring writers — correct errors in your written work with Grammarly!”

Tania Sterling
Educational executive
Ontario, Canada

“Used Grammarly to proofread half of my doctoral proposal last night. An unbelievable tool worth checking out for anyone’s academic writing!”

Susruth Anvesh Researcher
Hyderabad, India

“Grammarly is an awesome online proofreading tool. I like it. Almost every doc I create, I run through Grammarly.”