Microsoft’s enterprise AI assistant. It connects Microsoft 365 apps — Word, Excel, PowerPoint, Outlook, Teams — with your organization’s data such as email, meetings, and files, so AI becomes available in the flow of everyday work. It is built on a foundation called “Work IQ,” which understands what you work on and how people relate to each other inside your company, and it covers a broad range: drafting documents, analyzing data, summarizing meetings, and searching internal knowledge. Since general availability in November 2023, Microsoft has kept expanding the feature set with additions like Cowork, which lets you delegate multiple projects in parallel, and Copilot Studio, which lets you build your own agents.
Key Features
- Built into Microsoft 365 apps: Draft documents in Word, analyze data in Excel, generate decks in PowerPoint, summarize email and get reply suggestions in Outlook, recap meetings in Teams — you call AI right inside the apps you already use
- Contextual understanding via Work IQ: A foundational layer that understands your work, your schedule, and your internal relationships, so it can answer context-dependent requests like “what did we decide in last week’s meeting?”
- Internal search beyond keywords: Searches across your organization’s documents, chats, and email by meaning rather than keyword match
- Delegate multiple projects in parallel with Cowork: Goes beyond task-level chat — you can hand several pieces of work to agents at once and manage their progress
- Notebooks and Copilot Studio: Notebooks gathers chats and meeting notes in one place; Copilot Studio lets you build and customize your own agents with low code
- Inherits your organization’s security settings: It runs on your existing permission settings, sensitivity labels, and retention policies, so there is no structural path for data a user shouldn’t see to leak through the AI
Pricing
| Plan | Price (per user) | Key characteristics |
|---|---|---|
| Microsoft 365 Copilot Business | $18/month (promotional annual price; $21 standard. Monthly billing is $25.20) | Add-on to an existing Microsoft 365 plan. Aimed at small and mid-sized organizations up to 300 users |
| Microsoft 365 Business Standard with Copilot | $23.50/month (annual) | Bundled plan combining Office apps and Copilot |
| Microsoft 365 Business Premium with Copilot | $32/month (annual) | Bundled plan that includes security features |
| Microsoft 365 Copilot (enterprise add-on) | $30/month (annual) | No seat cap. Requires a qualifying Microsoft 365 license separately |
The $18 rate for Copilot Business is a limited-time promotional price. Microsoft’s official pricing page states the promotion runs from July 1 to September 30, 2026, and applies to the first year only. Plan your budget assuming it returns to the standard $21 afterward.
Pricing is current as of August 21, 2026. Check the official site for the latest rates.
Pros and Cons
✅ Pros
- AI lives inside Word, Excel, Teams, and the other apps your team already uses, so the learning curve at rollout is small
- Answers that draw on your organization’s email, meetings, and files — something a general-purpose chat AI cannot match
- Designed to inherit permission settings and sensitivity labels, making company-wide rollout easier without loosening information governance
- Copilot Studio lets you build agents tailored to your own workflows with low code
⚠️ Cons
- Requires a qualifying Microsoft 365 license as a prerequisite, and the add-on itself is not cheap at $18–30 per user per month
- Delivers little value for organizations that work outside the Microsoft ecosystem (Google Workspace and the like)
- Answer quality depends on how well your internal data is organized, and messy permission settings carry a risk of unintended exposure
- The feature set is large and updates are frequent, so driving real adoption takes internal usage guides and training
How It Compares
| Comparison point | Microsoft 365 Copilot | Gemini (Google Workspace) | ChatGPT Business | Claude Team |
|---|---|---|---|---|
| Provider | Microsoft | OpenAI | Anthropic | |
| Strength | Integration with Office apps and organizational data | Integration with Gmail, Docs, Meet | Versatility, breadth of models | Long-context handling, natural writing |
| Required environment | Microsoft 365 | Google Workspace | None | None |
| Internal data integration | Built in via Work IQ | Supports Workspace data | Via connectors | Via connectors and MCP |
| Custom agent building | Copilot Studio | Gems | Custom GPT | Agent Skills |
Who It’s For
- Companies that have rolled out Microsoft 365 organization-wide and want AI embedded in the apps people already open every day
- Teams whose email, meetings, and documents all live in the Microsoft ecosystem and who want answers grounded in that material
- IT departments that want to deploy AI without disturbing existing information governance such as permission management and sensitivity labels
- Organizations that want to build internal agents in-house, with low code, to automate routine work
Conclusion
Microsoft 365 Copilot is an enterprise assistant that commits fully to the idea that AI should come to your usual apps, rather than being one more separate tool you switch to. Its integration with organizational data and its inheritance of information governance give it value that a general-purpose chat AI struggles to replace — provided your work already revolves around Microsoft 365. On the other hand, license costs and dependence on the Microsoft ecosystem are baked-in prerequisites, so the practical move is to start with a pilot in one department and verify the return before going wider.