Microsoft 365 Copilot can genuinely save your team hours a week — but only in a business that’s set up for it. The single most common reason a Copilot rollout stalls in 2026 is buying it before the tenant is ready. Here’s an honest checklist to see where you stand before you spend a penny on licences.
1. You’re on a compatible Microsoft 365 plan
Copilot is an add-on to the main Microsoft 365 business and enterprise plans. If you’re on the right base plan, you can licence Copilot for the users who need it. If you’re not, that’s the first conversation — and it may change the maths.
2. Your data lives somewhere Copilot can use it
Copilot works best when your documents and knowledge live in Microsoft 365 — SharePoint, OneDrive and Teams — rather than scattered across local drives, USB sticks and personal accounts. The more of your real work sits in well-organised Microsoft 365 content, the more useful Copilot is on day one.
3. Your permissions and sharing are under control
This is the big one. Copilot only shows a person what they already have access to — so if files and SharePoint sites have been over-shared over the years, Copilot can surface things people were never meant to find. Before switching it on, you need to know who can see what, and tidy up anything too open.
4. Your security baseline is solid
Multi-factor authentication on every account, sensible access controls, and a Cyber Essentials-level security posture aren’t just good practice — they’re the foundation that makes AI safe to switch on. If security is shaky, fix that first.
5. You have real use cases and people who’ll use it
Copilot pays back fastest for people who spend their day in email, documents, meetings and data. Identify those roles and a handful of concrete tasks (summarising inboxes, drafting proposals, analysing spreadsheets) so adoption sticks — rather than licensing everyone and hoping.
6. You’ve set some simple ground rules
A short acceptable-use note — what’s fine to ask Copilot, what to double-check, and a reminder not to paste company data into free public AI tools — keeps everyone safe and confident.
Not ready yet? That’s useful to know
If you ticked most of these, you’re in good shape. If you didn’t, that’s exactly the point of checking first — a few weeks of readiness work (permissions clean-up, security and data tidy-up) turns a risky, wasted rollout into a smooth one. Twin Technology runs a Copilot readiness assessment that does precisely this, and we’ll tell you honestly where you stand.
Talk it through
Thinking about Copilot? Call 01923 228820 or get in touch for a no-obligation readiness conversation.
Frequently Asked Questions
What are the prerequisites for Microsoft 365 Copilot?
A compatible Microsoft 365 plan, your working data in Microsoft 365 (SharePoint/OneDrive/Teams), permissions and sharing under control, a solid security baseline including MFA, and clear use cases for the people who’ll use it.
Why is data governance important before using Copilot?
Copilot respects existing permissions, so any over-sharing already in your tenant can be surfaced quickly. Tidying permissions first prevents sensitive information reaching the wrong people.

