[Pitfalls] Microsoft Copilot's web chat is free with no stated cap, but the Office built-in quota shrank in April 2026

Microsoft Copilot is really two products wearing one name. There is the web chat at copilot.microsoft.com, which is free and has no stated cap on basic text conversation. Then there is the Copilot built into Word, Excel and PowerPoint, which comes with a limited allowance, and that allowance got smaller in April 2026. Most of the traps in this piece come from people assuming the two are the same thing. They are not. Here is what we verified on 2026-09-12, and how to avoid paying for something you already have, or expecting something you never had.

Trap 1: “Copilot is free” is only true on the web

The free version at copilot.microsoft.com does basic text chat. Our check found no explicit limit on that. You need a Microsoft account, commercial use is allowed, and there is no watermark on output. If all you want is a chatbot, that is the whole story and you can stop reading.

The trap is the Office version. Copilot Chat inside Word, Excel and PowerPoint is listed as “limited quota,” meaning a capped allowance of uses. Since April 2026 that allowance has been reduced. Microsoft’s own pages do not say how many uses you get per day or per month, and they do not say when the counter resets. We looked. The reset rule is simply not documented.

How to avoid it: treat the Office built-in Copilot as a bonus, not a plan. If you rely on AI inside your documents for daily work, assume you will hit a wall and cannot predict when. Do your heavy chat work on the web version, where there is no stated cap, and paste results into Office.

Trap 2: The paid tiers are not all the same “paid”

There are two ways to pay, and they buy very different things.

Microsoft 365 Premium is the top personal plan. It costs US$19.99 per month, or US$199.99 per year if you pay annually. It replaced the old Copilot Pro, which is no longer sold. Premium unlocks the Researcher and Analyst agents, which are AI assistants that carry out multi-step research or data tasks on their own rather than answering one question at a time. It also unlocks AI image generation, plus up to 6TB of OneDrive cloud storage and 1TB of Outlook email storage, and it includes the Office apps. The advanced Copilot features are described as unlimited, but image generation has a daily cap. The exact daily number is not published.

Microsoft 365 Personal costs US$9.99 per month or US$99.99 per year. Family costs US$12.99 per month or US$129.99 per year and covers up to six people, each with their own 1TB of OneDrive. Both now include the built-in Copilot Chat. Both are subject to the same limited, reduced-in-April quota described above. Neither includes the Researcher or Analyst agents, and neither includes image generation.

So the trap is this: someone buys Personal or Family expecting “Copilot,” gets the capped version, then discovers the features they read about in reviews are Premium-only.

How to avoid it: decide what you actually want before you pay. If you want Word, Excel and cloud storage, Personal or Family is the plan and Copilot is a side dish. If you want agents and images, only Premium delivers them. There is no middle option.

Trap 3: Trial, renewal and the yearly-versus-monthly question

On 2026-07-30 we found a promotion on Microsoft’s store page offering the first month of Premium free. The page does not show an end date for that offer. A free first month on a subscription product means one thing: it converts to a paid month unless you cancel. Put a reminder in your calendar the day you sign up.

The annual price for Premium is US$199.99. The monthly price is US$19.99. Microsoft lists both. Do not do the arithmetic in your head and assume the yearly plan is a discount worth locking into on day one. Annual billing means you commit for a year before you know whether the daily image cap or the agents suit your work. Start monthly, use the free month, and only switch to annual once you know you will keep it.

How to avoid it: cancel or confirm before the trial month ends, and go monthly first.

☀️ AMO, the budget-minded cat

AMO’s first question is always the same: is free enough? For Microsoft Copilot, the answer is yes for most people, with one condition. The free web chat at copilot.microsoft.com has no stated cap on basic text conversation, it allows commercial use, and it adds no watermark. That is a real free tier, not a demo. If you write emails, summarise documents, brainstorm, or draft text, AMO sees no reason to pay a cent.

The condition is the Office integration. The moment you want the AI living inside Word or Excel, the free story ends. The built-in Copilot Chat is capped, the cap was cut in April 2026, and Microsoft does not publish the number or the reset schedule. AMO hates that. A limit you cannot see is a limit you cannot budget around.

So is paying worth it? AMO’s take: only if you were going to buy Microsoft 365 anyway. Personal at US$9.99 per month or US$99.99 per year, and Family at US$12.99 per month or US$129.99 per year, are Office purchases first. The capped Copilot inside is a throw-in. Do not buy them for the AI.

Premium at US$19.99 per month or US$199.99 per year is a different case. You are paying for agents, image generation and up to 6TB of storage. If you do not need those three things, AMO says the price is hard to justify when the web chat is free. If you do, use the first-month-free promotion, set a cancellation reminder, and stay on monthly billing until you are sure.

🌙 PIMI, the performance-minded cat

PIMI does not care what it costs. PIMI cares whether it does the job.

On the free web version, basic text chat works and has no stated limit, so PIMI never hit a wall during ordinary use. For a chatbot that lives in a browser tab, that is fine. But PIMI’s real interest is the Office integration, because that is the only reason to choose Copilot over any other chatbot. Microsoft’s own description of the tool says as much: Windows and Office integration is the whole pitch.

That is where the April 2026 quota cut stings. Copilot Chat inside Word, Excel and PowerPoint is exactly the feature that makes Copilot worth using, and it is exactly the feature that now runs out. PIMI cannot tell you how fast, because Microsoft does not say. A tool that stops mid-task with no warning and no documented reset is a tool you cannot plan work around.

Premium fixes most of that. The Researcher and Analyst agents are listed as unlimited, and they are the features that do multi-step work rather than single answers. Image generation is included but has a daily cap, again with no published number. For PIMI, the daily image cap is the thing to test in the free first month: generate what you would normally need in a day and see if you hit it.

PIMI’s verdict on performance: the web chat does what a free chatbot should. The Office built-in version is the reason to buy, and it is the part Microsoft made worse. Only Premium at US$19.99 per month restores the uncapped experience, and even then images stay rationed.

Verdict: who should use it, who should skip it

Use the free web version if you need a general chatbot for text work, especially for business use, since commercial use is allowed and there is no watermark. It costs nothing and has no stated cap.

Buy Microsoft 365 Personal at US$9.99 per month or Family at US$12.99 per month only if you need the Office apps and OneDrive. Treat the built-in Copilot as a limited extra that shrank in April 2026 and has no published reset rule.

Buy Microsoft 365 Premium at US$19.99 per month, or US$199.99 per year, if you specifically need the Researcher and Analyst agents, AI image generation, or up to 6TB of storage. Use the first-month-free offer, which had no end date shown when we found it on 2026-07-30, and set a reminder before it renews.

Skip paying entirely if your Office use is occasional and your chat use is heavy. The free web tier already covers you.

Written: 2026-09-12 Price last verified: 2026-09-12 Tool last health-checked: 2026-09-12

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📎 Sources

All prices and quotas in this article come from AMPM’s verified dataset for Microsoft Copilot (last verified 2026-09-12); primary sources:

• https://www.microsoft.com/en-us/store/b/copilotpro
• https://copilot.microsoft.com

🐾 Meet the cats: AMO and PIMI

AMPM is a Taiwan-based AI-tool pricing watchdog. Our motto: ask before you subscribe. Two cats argue every tool from two sides:

• ☀️ AMO — the budget-minded cat. Always asks: is the free tier enough, and is paying actually worth it?
• 🌙 PIMI — the performance-minded cat. Cares about whether it works well, fast, and gets your job done.

When they are done arguing, you know whether to pay. Every number is checked by us, with the verification date at the end.

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