Big Banks Are Rolling Out Copilot. Here’s What It Actually Does

Some of the world’s biggest banks are giving AI tools to tens of thousands of employees. But what does that actually change during a normal workday?

AI is becoming a standard workplace tool

Barclays announced plans to give Microsoft 365 Copilot to 100,000 employees. UBS targeted roughly 50,000 licences, while Lloyds rolled out 40,000 licences.

JPMorgan took a different route. Its in-house LLM Suite reached about 200,000 users within eight months.

The idea is similar in each case: give employees an approved way to use AI with company systems and data.

What Copilot actually does

• Outlook: Summarizes long email threads and helps draft replies.
• Teams: Recaps transcribed meetings and pulls out action items.
• Excel: Suggests formulas and helps identify trends or unusual data.
• Word: Drafts, rewrites and summarizes documents.
• PowerPoint: Creates a first version of a presentation from a prompt or document.

That may not sound revolutionary. But removing the blank page and the repetitive first pass can save time across thousands of employees.

The important distinction: Copilot produces a starting point, not a finished product.

Where it falls short

• It can be wrong. Microsoft warns that Copilot responses are not guaranteed to be completely factual. Numbers, names and important conclusions still need to be checked.
• It can surface files you already have access to. If a company has files shared too broadly, AI can make those permission problems much easier to notice.
• Banks still control what employees can use. Financial institutions operate under strict security, privacy and regulatory requirements. Employees cannot simply put confidential information into any AI tool they choose.
• It is not cheap. Microsoft lists Microsoft 365 Copilot for enterprise customers at $30 per user per month, on top of a qualifying Microsoft 365 plan.

What this means for employees

If your employer gives you Copilot, start with low-risk tasks: summarizing emails, catching up on meetings, rewriting a paragraph or building the first draft of a presentation.

Then check the output. AI is most useful when it removes repetitive work while the employee still provides the judgment.

And if Copilot suddenly shows you a document you did not expect to see, that may be more than an AI issue. It could reveal a permissions problem worth reporting.

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Sources: Microsoft on Barclays, Jun 2025 · UBS 2024 annual report · Microsoft on Lloyds, Jun 2026 · JPMorganChase on LLM Suite, Jun 2025 · American Banker · Microsoft Copilot privacy · Microsoft Copilot pricing · Outlook · Teams · Excel · Word · PowerPoint