Ghostwriter Add-ins for Microsoft Office

Ghostwriter Add-ins for Microsoft Office deliver AI-powered writing assistance across Word, Outlook, Excel, PowerPoint and related Office apps. It targets individual users such as students and professionals who want to brainstorm, plan, and create content more efficiently, with access to multiple model options through a personal API key after purchase.

The add-ins are installed from the Office Store and activated via a single user product key. Users choose from different editions—Word Basic, Word Pro, Word Ultimate, Outlook, Excel, PowerPoint, Office Bundle, Author Edition, Legal Edition—each offering a set of features and a one-time purchase model.

The tool emphasizes privacy and security, stating a privacy-first approach and the ability to unlock models from various providers by adding the user’s own API key after purchase.

The product suite continually expands to support professional careers through specialized Word add-ins and multi-app licenses, while remaining compatible with Office 2021/M365/O365 across Windows, Mac, Web, and iPad.

Use cases

• Assist with brainstorming, planning, and content creation in Microsoft Office applications.