A new shape for how Copilot ships
For most of Copilot's first two years, new features arrived the way Microsoft features always did: a vague mention at Ignite, a public preview six months later, general availability somewhere after that. Predictable, slow, and easy enough for IT to plan around.
The Frontier Programme has rewritten that calendar. Microsoft now uses Frontier as a deliberate early-access lane: customers opt in at the tenant level, and the most ambitious Copilot capabilities show up there first — sometimes months before they reach the wider commercial channel. If you're not enrolled, you're not seeing the product Microsoft is actually building right now.
What Frontier actually is
In Microsoft's own framing, Frontier is AI Early Access in Microsoft 365. It's free for any tenant with active Microsoft 365 Copilot for Business licences and Modern Billing — admins flick a switch in the Microsoft 365 admin centre and the relevant features begin lighting up across the apps your users already have open. Consumer plans get Frontier bundled with Microsoft 365 Premium, Personal and Family at no extra charge.
The interesting bit isn't the access mechanism. It's what's been launching there.
Why Wave 3 was the turning point
The March 2026 "Wave 3" release was the moment Frontier stopped feeling like a flag-protected sandbox and started feeling like Microsoft's primary R&D lane for Copilot. Wave 3 brought:
- End-to-end document collaboration in Word, Excel, PowerPoint and Outlook — Copilot now drafts, edits and refines content directly inside the file, not just in a side pane.
- Anthropic's Claude alongside OpenAI models in mainline Copilot Chat — users pick the model that suits the task without leaving M365.
- A 13.8 percentage-point uplift on Researcher's deep-research accuracy benchmark, plus a new Critique feature that uses two different model families to separate generation from evaluation.
- Copilot Cowork, the long-running, multi-step assistant that plans and executes work across tools and files (more on that in another post).
Each of those would have been a flagship announcement in 2024. In 2026 they all shipped on the same day. That tempo is the thing IT and L&D leaders need to internalise.
The training problem this creates
If you're running an adoption programme that refreshes its course material once a quarter, Frontier breaks your rhythm. Features that were preview when you wrote the deck are GA by the time the trainer presents it. Worse, many of these features land in behavioural layers users already use — a new button in Outlook, a new model selector in Chat — which means people start running into them before anyone's told them they exist.
The teams that have adapted well do three small things:
- One person in L&D owns the Frontier roadmap. They review the Microsoft 365 Roadmap weekly and translate every change into a one-line what users will see and what they should do.
- Champion communications go out monthly, not quarterly. A five-minute video beats a polished training portal that's three weeks behind.
- The training team is enrolled on a pilot tenant. Trainers can't teach what they haven't actually used.
What to do this month
Two things, both small.
First, find out if your tenant is opted into Frontier. A surprising number of large enterprises have it turned off because someone, somewhere, ticked no on a default rollout setting eighteen months ago. The quickest signal that you're enrolled: your users see Researcher and Analyst inside Copilot Chat, and Copilot Cowork sits alongside the regular Copilot pane.
Second, pick one Wave 3 feature — Claude in Chat is a strong candidate — and design a single 20-minute session around it. Not a feature tour. A specific job. Use Claude in Copilot Chat to draft a long-form policy document. That's the unit of training that actually lands.
Frontier is going to keep accelerating. The orgs that win aren't the ones with the cleverest pilots. They're the ones whose training cadence matches Microsoft's release cadence.