Microsoft 365 Copilot Under UK CMA Probe: Should Your Business Keep Paying for AI It Barely Uses?

Last updated: September 2026

Short answer: if fewer than one in ten of your people open Copilot weekly, downgrade to Microsoft 365 Classic (or a non-AI business plan) before your next renewal date. The UK Competition and Markets Authority suspects consumers were steered into pricier AI bundles, but Microsoft has not been found in breach of anything, and no compensation scheme exists today.

That is the decision in one paragraph. Now let us look at when that advice applies to you, when it does not, and what the investigation actually changes for a business budget in 2026 and 2027.

When this applies to you — and when it does not

This article is written for two readers at once, and the advice differs:

• UK households and solo subscribers (Microsoft 365 Personal and Family). You are the direct subject of the CMA probe. Your decision is about switching to the Classic plan before renewal.
• IT and finance managers anywhere in the world running Microsoft 365 Business plans. You are not the subject of this particular consumer case, but you are riding a separate commercial price track that rose by up to 33 percent on 1 July 2026 — and up to 43 percent for large enterprises, as Tech Times reported on the day the increases took effect.

If your team genuinely uses Copilot daily — drafting documents, summarising meetings, automating Excel work — the maths below will still interest you, but the conclusion may be "keep it". If you cannot name three colleagues who used it last week, you are almost certainly paying for shelfware.

What the CMA is actually investigating

On 27 July 2026, the Competition and Markets Authority opened a formal investigation into Microsoft Ireland Operations Limited, the Dublin-based entity behind Microsoft's consumer subscriptions in the UK. The announcement came two days later, on 29 July 2026.

The legal basis matters. The case runs under Part 8 of the Enterprise Act 2002 — the UK's consumer protection framework — not the newer digital markets regime. In plain terms, the CMA is examining whether Microsoft marketed and sold Microsoft 365 Personal and Family plans in ways that may have misled customers, particularly around the integration of Copilot and the automatic migration of subscribers onto higher-priced plans.

Source: CMA / GOV.UK

Two things are worth stating plainly, because plenty of coverage has blurred them.

First, Microsoft has not been found in breach of anything. The CMA is gathering evidence between July and December 2026, with an update expected by the end of the year. An investigation is a question, not a verdict.

Second, this consumer probe is separate from the CMA's Strategic Market Status work on Microsoft, which opened on 14 May 2026 as the regulator's fourth such case and looks at enterprise software and AI bundling from a competition angle. Two different tracks, two different legal toolkits — a distinction almost no report has bothered to make.

Source: CMA / GOV.UK

The price changes behind the probe

The investigation did not appear out of thin air. It follows a sequence of price moves that UK consumers have been living through since 2025. In January 2025, Microsoft folded Copilot into its standard consumer plans. In July 2025, prices rose by roughly 40 to 45 percent — and a cheaper "Classic" plan without AI was introduced as the escape hatch.

The bone of contention is not the existence of an AI tier. It is that subscribers were reportedly moved onto the AI tier by default, with the cheaper plan requiring an active opt-down — the subscription equivalent of a hotel minibar you never opened but paid for anyway.

For a single household, £25 a year is an annoyance. Multiply it across millions of UK subscribers and you have the makings of a regulatory problem, because the amounts at stake are small enough that nobody complains individually, yet large enough in aggregate to matter.

The timeline that got Microsoft here

If you are trying to explain this story to a board or a budget committee, here is the whole sequence in one table:

Notice how the dates interlock. The consumer price rise of July 2025 happened a full year before the investigation opened, and the business increases of July 2026 landed while the CMA was already gathering evidence. Regulators move slowly; procurement calendars do not.

Microsoft 365 for business: the separate price track you should audit now

If you run a company, here is the part that hits your budget rather than your household. On 4 December 2025, Microsoft announced commercial price increases that took effect on 1 July 2026 — up to 33 percent across business plans according to TechInformed, and up to 43 percent for large enterprises per Tech Times.

At the seat level, the numbers look like this: Copilot for commercial customers is priced at $30 per user per month, with smaller deals reportedly negotiated around $21–22. Microsoft 365 Business Standard moved from $12.50 to $14 per user per month. We keep a full breakdown of the business pricing tables in our guide to the July 2026 Microsoft 365 business price increase, including which SKUs absorbed the steepest rises.

There is also a product consolidation underway. Microsoft has been merging Copilot experiences into a single app, which our piece on the Copilot one-app merge covers in detail — relevant because bundling is precisely what regulators on three continents are now scrutinising.

A practical audit takes an hour: export your licence report, split seats into "Copilot-included" and "base plan", then check the renewal dates. Anything renewing after evidence closes in December 2026 should be renegotiated with the investigation's outcome priced in — vendors hate uncertainty more than you do, and multi-year lock-ins signed in a falling-adoption market are negotiable.

Three regulators, one question

The UK is not alone. What makes 2026 unusual is that three major regulators are examining overlapping aspects of Microsoft's subscription and AI practices at the same time — and no major publisher has put their timelines side by side.

Why does this matter to a buyer in, say, Manchester or Chicago? Because parallel regulatory pressure is the single best predictor of price behaviour. When three regulators circle the same product line, vendors typically respond with clearer plan separation, easier downgrades, and retention discounts — all things you can negotiate for now, before any formal finding lands.

How many people actually use Copilot? The numbers disagree

Here is where the story gets genuinely interesting for anyone signing a renewal order.

On 7 July 2026, Windows Latest cited Fortune data suggesting that fewer than 4.5 percent of Microsoft 365's roughly 450 million subscribers pay for Copilot — and that only 20 to 30 percent of those paying users touch it weekly. Do the multiplication and roughly one percent of the installed base uses the product in any given week. Windows Central had earlier reported, on 3 February 2026, that just 3.3 percent of Microsoft 365 users were paying for Copilot at all.

Now read the bullish side. UC Today reported on 30 April 2026 that Microsoft counts 20 million paid Copilot seats and a $37 billion annual run rate for its AI products. And No Jitter noted on 31 July 2026 that quarterly adoption jumped by 50 percent.

Both things can be true: enormous absolute growth, from a very small engaged base. For a budget owner, the operative question is not "is Copilot succeeding?" but "is Copilot succeeding here?" Microsoft's aggregate numbers tell you nothing about your own floor-by-floor usage — your identity provider's app sign-in logs do.

If you are a household subscriber and Copilot never seems to be there when you look for it, that is often a plan or rollout issue rather than a product gap — see our troubleshooting piece on Copilot not showing in Microsoft 365 Family.

Source: Microsoft 365 official channel

The renewal decision test: five questions before you pay again

This is the section most coverage skips — the actual decision, made of questions you can answer with data you already have. Run this test 60 to 90 days before any Microsoft renewal:

1. Who signed in this quarter? Pull Copilot usage from your admin centre. If fewer than 10 percent of licensed users authenticated in 90 days, you are buying a vacancy.
2. What did the usage cost per active user? Take your total AI spend and divide by weekly active users. A $30-per-seat plan used by 8 percent of staff effectively costs $375 per real user per month.
3. Can the same job be done for less? Meeting summaries and document drafts are commodity tasks in 2026; many teams cover them with tools already inside their stack. Our comparison of the best ERP systems for small business maps which modules teams actually open each month, and which they never touch.
4. When does the contract actually renew? Consumer plans can move to Classic at any account page; business agreements have notice windows. Missing a 30-day notice clause can lock you into another year at the new rates.
5. What is your fallback if prices rise again in 2027? If the answer is "we would grumble and pay", negotiate now while the regulatory spotlight gives you leverage. If the answer is "we would leave", test that exit before you need it.

For teams that decide to rebalance the budget, our roundup of the best help desk software for small business is a reminder that the money saved on unused AI seats often buys a tool the team will actually open every day. And if part of your plan involves upgrading skills rather than licences, Truescho's curated opportunities page lists programs that cost less than a single unused Copilot seat per month.

A worked example: 50 seats, one renewal, $18,000 on the line

To make the arithmetic concrete, consider a mid-sized marketing agency — our worked example, not a real client — with 50 employees in Leeds, all on Microsoft 365 with Copilot.

At the list price of $30 per user per month, the agency's Copilot line item is $1,500 per month, or $18,000 a year — squarely inside the $1,100–1,500 monthly band that Vellum reports for a 50-seat Copilot deployment. Now apply the adoption reality: if the industry pattern holds and only a fifth of licensed users touch Copilot weekly, ten people are doing $18,000 of work. That is $150 per active user per month for summarising meetings and polishing emails.

The agency's options, in descending order of savings:

• Drop Copilot entirely and keep the base plans: roughly $18,000 back, with the risk that the ten power users lose a tool they genuinely like.
• Keep Copilot for ten named seats and move the other forty down: around $14,400 saved, preserving every demonstrated use case.
• Renegotiate as a smaller-deal customer at the reported $21–22 per seat: about $4,800–5,400 saved with zero disruption.

The right answer depends on usage data, not sentiment. The point of the exercise is that the gap between "everyone licensed" and "everyone productive" is now large enough to fund a junior hire.

What you actually get for the money

Fairness cuts both ways in this debate. Copilot in 2026 is not vaporware: it drafts documents in Word, summarises long email threads in Outlook, and automates spreadsheet formulas for people who are not spreadsheet people. Microsoft publishes straightforward walkthroughs, like its July 2026 guide to using Copilot in Outlook, which show the everyday mechanics rather than the keynote demos.

Source: Microsoft 365 official channel

The honest evaluation is unglamorous: for a minority of users, Copilot saves several hours a week; for the majority, it is a feature they scroll past. Software procurement has always had this shape — conference licences, premium support tiers, add-on modules. What is new in 2026 is that the premium tier moved from optional to default, and that is exactly the behaviour three regulators are now examining.

Frequently asked questions

Is Microsoft 365 Copilot worth it for business?

It depends entirely on measured usage, not on demos. If more than a quarter of your staff use it weekly, the $30 per seat price can pay for itself in saved hours. If usage sits in the single digits, as industry data suggests is common, downgrade to a base plan and revisit in a year. Audit before you renew.

What is the CMA investigation into Microsoft 365 about?

The UK regulator is examining whether Microsoft's marketing of Personal and Family subscription plans — specifically the bundling of Copilot and the migration to higher prices — may have misled consumers. The case opened on 27 July 2026 under consumer protection law, with evidence gathered until December 2026.

How much did Microsoft 365 Personal and Family prices increase in the UK?

Personal rose from £59.99 to £84.99 per year and Family from £79.99 to £104.99 — both up £25 annually. Monthly plans rose from £5.99 to £8.49 and £7.99 to £10.49 respectively. The increases took effect in July 2025, roughly 40–45 percent.

Can I get Microsoft 365 without Copilot?

Yes. Microsoft offers a Classic plan for Personal and Family subscribers that excludes AI features at the old price, and business customers can buy base plans without Copilot. Switching consumer accounts is self-service; business changes may follow your agreement's notice terms.

What is the Microsoft 365 Classic plan and how do I switch?

Classic is the no-AI tier introduced when Copilot was bundled into standard plans, priced at the pre-2025 rates: £59.99 for Personal and £79.99 for Family per year. You switch through your Microsoft account subscription page, though it is deliberately not the prominent path.

Can the CMA fine Microsoft 10 percent of global turnover?

That is the statutory maximum under the CMA's direct enforcement powers, alongside an alternative cap of £300,000, though the figure applied depends on the legal route taken. Since April 2025 the regulator has secured over £1.95 million in redress and roughly £6.2 million in fines across its cases.

How do I get a refund or switch plans before renewal?

Switch to the Classic plan via your Microsoft account page before the renewal date to avoid the higher charge. For past charges, contact Microsoft support directly. Any broader compensation would depend on the CMA's conclusions after December 2026 — no scheme exists yet.

What are the best Microsoft 365 Copilot alternatives in 2026?

Independent roundups price credible alternatives between $22 and $30 per user per month, while many teams cover meeting summaries and drafting with general AI tools at $0–25 per seat. The better question is which two tasks your staff actually repeat daily — then buy for those.

Where the case goes from here

Between now and the end of December 2026, the CMA collects evidence; Microsoft responds; and business renewals continue regardless, on the new commercial prices that landed in July. The most likely outcomes range from closure with no finding, through commitments on clearer plan separation and easier downgrades, to formal enforcement with redress for affected consumers. Each step down that ladder raises the pressure Microsoft already feels from Canberra to Rome.

Whatever the outcome, the buyer's position is stronger today than it was eighteen months ago. Usage data is on your side, alternatives are priced aggressively, and every negotiation window between now and the regulator's update is a chance to stop paying for software your organisation treats as scenery.

Sources

• CMA investigation announcement — GOV.UK
• Competition and Markets Authority
• Windows Latest — Copilot adoption analysis
• Windows Central — Copilot payment data
• The Next Web — subscription mechanics and legal context
• Vellum — Microsoft Copilot alternatives pricing
• TechInformed — commercial price increase announcement
• Tech Times — enterprise increases taking effect
• UC Today — Copilot seats and AI run rate
• No Jitter — quarterly adoption growth
• Microsoft 365 official YouTube channel

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