Software decision profile
Microsoft 365 Copilot
A $30/user add-on that lives inside Teams, Outlook and PowerPoint. Strong at summarising threads and meetings; still finicky in Excel.
Explore the trade-offs.
Where it stands outSecure by design with built-in data privacyRead assessment ↗Close details ↑
Read the full assessment ↗What to weighLimited functionality in ExcelRead assessment ↗Close details ↑
Read the full assessment ↗Best suited toTeams and Outlook users seeking enhanced productivity
What Microsoft 365 Copilot’s own pages state.
Each line was read on the vendor’s site and found word for word in the quoted page. It records what the vendor states, not a test by Fathom Layer.
- Launch stage
- Private Preview
Where it wins, where it doesn't
Pros
- Secure by design with built-in data privacy
Cons
- Limited functionality in Excel
Editorial note
Microsoft 365 Copilot is an AI-driven add-on designed to enhance productivity within Microsoft's ecosystem. It offers features like chat, search, and note-taking, with a strong emphasis on security and privacy. While it excels in summarizing threads and meetings, its capabilities in Excel are still limited, indicating a trade-off between comprehensive integration and feature maturity.
Capabilities, limitations and fit.
In-Depth Review
Microsoft 365 Copilot's advantage is positional: it sits inside the tools enterprise knowledge workers already spend their day in, so the value shows up without anyone changing how they work.
Where it genuinely helps
- Meetings and email. Summarising a Teams call or a long thread is the feature people use daily and would miss.
- First drafts. PowerPoint decks and document outlines appear instantly, ready to edit.
The trade-offs
- Expensive per-user add-on — the cost adds up fast across a large organisation, and not everyone will use it enough to justify their seat.
- Excel integration is still finicky with complex models.
- It can hallucinate internal data if permissions and scope are not set correctly — a governance task, not a checkbox.
Who should use it
Enterprise knowledge workers, project managers and executives who live in Outlook, Teams and Office. Roll it out to the roles that will use the meeting and drafting features heavily rather than as a blanket license.
Frequently Asked Questions
Who is Microsoft 365 Copilot for?↓
What are the drawbacks of Microsoft 365 Copilot?↓
What does Microsoft 365 Copilot do well?↓
How much does Microsoft 365 Copilot cost?↓
Alternatives to consider
See all alternatives →Further reading
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