For more information about the Grammarly Editor, check out this article. If your current version of Microsoft Office is not compatible, we suggest trying the Grammarly Editor. If Grammarly does not appear in your Microsoft Office products, please see our article Grammarly for Windows and Mac doesn’t work in Microsoft Office products for system requirements and troubleshooting steps. If you use Windows, follow the steps in this article: How to add Grammarly to Microsoft Office on Windows Note: Grammarly for Mac is not currently integrated with Excel and OneNote. In Outlook and PowerPoint, Grammarly’s suggestions will appear one by one on a draggable widget: In Microsoft Word, Grammarly for Mac will show a list view of suggestions and will allow you to filter suggestions by category. Double-click the downloaded file and follow the prompts to complete the installation.Open Microsoft Word then Click -> Insert -> Add-Ins -> My Add-ins. To use Grammarly in Microsoft Office, install Grammarly for Mac by following these steps: Grammarly (add-in) - Install for Microsoft Word - mac OS Devices 1.