Microsoft 365 Copilotmicrosoft.com ↗
What it does
document analysis and summarization in Word, workbook analysis in Excel, grounded answers with citations across Microsoft 365 content; Researcher/Analyst agents
Strong fit
document and spreadsheet analysis for people whose files already live in Microsoft 365, the strongest verified no-training posture in this category and enterprise-grade certifications
Poor fit
anyone not on a Microsoft 365 business plan (the add-on requires one); budget-first individuals (no free tier; consumer-plan Copilot facts unverified)
Limitations
requires an existing Microsoft 365 Business plan; Copilot Business add-on price shown as promotional ($18 reduced from $21), verify at purchase
Privacy & data handling
"Microsoft states your prompts and Graph-accessed data aren't used to train foundation LLMs; interaction history is encrypted and user-deletable. GDPR, ISO 27001, HIPAA." (168)
Verified facts
GA to US business customers, no waitlist; add-on requires existing M365 Business plan; Word/Excel/PowerPoint/Outlook/Teams, desktop + web
Copilot Business add-on $18.00/user/mo paid yearly (shown reduced from $21.00, promo recorded), $25.20 monthly; Business Standard w/ Copilot $23.50 yearly ($28.20 monthly); Business Premium w/ Copilot $32.00 yearly ($38.40 monthly)
None for the business product (consumer Copilot not verified, out of record scope)
"Prompts, responses, and data accessed through Microsoft Graph aren't used to train foundation LLMs, including those used by Microsoft 365 Copilot"; encrypted interaction history, user-deletable; GDPR + EU Data Boundary; ISO 27001, HIPAA, ISO 42001
Grounded responses with citations; Researcher/Analyst agents; Excel natural-language analysis; M365 base license prerequisite
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