Grammarly is a very useful tool to detect and correct grammar and style errors in a Word document.

Grammarly identifies a wide variety of common errors and suggests corrections to help you improve the accuracy and clarity of your writing.

Furthermore, Grammarly can also help you add formats like APA or MLA.

To add Grammarly to Word, you can follow these steps:

Add Grammarly to Ms Word:

1. Open a Word document
2. Click "Insert" on the menu bar, and then select "Get Add-ins" from the dropdown menu.
3. In the search engine type "Grammarly", click on "Add" and then on Continue
4. Open a Word file again and you will see the green Grammarly icon on the main tab, just click to activate

Once installed, you can log in to Grammarly from the "File" menu in Word and start using it to review your documents.