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spreadsheetsChatGPT plugin for Excel & Google Sheets (2026 guide)How to install and use ChatGPT for Excel and Google Sheets: plans, setup steps, prompts, skills, apps, Codex, limits, privacy and the best alternatives.13 min readroundupThe best ChatGPT plugins for everyday work and life (October 2026)12 ChatGPT plugins and apps for email, calendars, documents, PDFs, design, travel, dining, groceries, music, home search and learning, and what each one does.5 min read