Microsoft Editor for Chrome was an AI-powered browser extension designed to check spelling, grammar, and writing style across the web; however, Microsoft officially retired the standalone Chrome extension on October 31, 2025. The core writing assistant technology has since been integrated directly into Microsoft 365 applications like Word and Outlook, as well as natively into the Microsoft Edge browser.
If you are looking at historical guides or assessing its capabilities within the broader Microsoft ecosystem, this ultimate guide details how the tool functions, its core features, and alternative workflows. 📋 Core Features & Tiers
The tool historically offered two distinct tiers of assistance depending on whether you used a free account or a paid subscription.
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