Users can also upgrade to paid subscription tiers for individuals or businesses, and receive assistance with more complex issues like fluency, tone, clarity, plagiarism, and more. Launched in 2009, its dynamic algorithms cover a wide range of context-based text editing issues like basic spelling and grammar errors, but also word usage, sentence style, wordiness, and punctuation. Grammarly has become a popular digital writing tool for eliminating and protecting against everything from poor writing in rushed emails to bad structuring in your dissertation. You can also install the Grammarly desktop app on your Mac or PC and drag-and-drop your Word document into the app.You can add Grammarly to Word by downloading the Microsoft Office plugin or through Microsoft AppSource.