Overview
Microsoft 365 Copilot is a paid add-on for business Microsoft 365 plans that brings AI chat and assistance into Word, Excel, PowerPoint, Outlook and Teams, grounded in an organization's work data. It includes pre-built agents such as Researcher and Analyst, and custom agents can be built with Copilot Studio. It is separate from the consumer Copilot app; a basic Copilot Chat is included at no extra cost with eligible Microsoft 365 subscriptions.
Label: Vendor-described — Captured from the vendor's own materials. Not independently verified.
Best for
- Small businesses already running on Microsoft 365
- Teams wanting AI drafting and summaries inside Word, Excel, Outlook and Teams
Key features
- AI chat built into Word, Excel, PowerPoint, Outlook and Teams
- Agents for focused processes; Copilot Studio for custom agents
- Notebooks with audio summaries
- Meeting and document summaries, email drafting
- Bundled with Business Standard/Premium or as an add-on
What it does
- Copilot inside Word, Excel, PowerPoint, Outlook and Teams
- Chat grounded in organizational work data
- Pre-built Researcher, Analyst and Facilitator agents
- Custom agents via Copilot Studio
- Adoption and usage analytics
Use cases
- Summarize long documents for faster review — Chat grounded in your organization's Microsoft 365 documents.
- Turn documents and notes into presentations — Works inside PowerPoint and can draw on your organization's documents.
Drawbacks & cautions
- Requires a qualifying Microsoft 365 subscription in addition to the add-on fee
- Monthly billing costs more than annual commitment
- Full in-app Copilot features are not included in the free Copilot Chat
What users say
G2 reviewers value how Copilot fits into everyday Microsoft 365 apps and saves time on email and summaries, but often find answers generic or inaccurate and need to double-check output. Cost is a recurring concern for small teams.
What people like
Scores are shown as each site published them on the date checked. They come from those sites' reviewers, not from us, and they never affect our rankings. Ratings based on fewer than 10 reviews are left out. The summaries are our own words, gathered Oct 22, 2026; follow the links to read the reviews.
Alternatives
- ChatGPT — General-purpose AI chat assistant for writing, research, analysis, images and coding
- Claude — AI assistant for writing, analysis, research and coding, with Claude Code included on paid plans
- DeepSeek — Free AI chat assistant with web search and file reading, plus a low-cost model API
- Microsoft Copilot — Microsoft's AI assistant, free on its own and built into Word, Excel, PowerPoint and Outlook
Evidence
| Fact | Label | Source | Observed |
|---|---|---|---|
| api | Vendor-described | learn.microsoft.com | Oct 17, 2026 |
| capabilities | Vendor-described | www.microsoft.com | Oct 17, 2026 |
| pricing | Vendor-described | www.microsoft.com | Oct 17, 2026 |
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