01
What you're actually paying for
Every Microsoft 365 licence bundles four kinds of thing: the apps people use, the services behind them, the security controls, and the management tooling. Most confusion comes from assuming a plan is only the first of those.
- Apps - Word, Excel, Outlook, Teams. Web-only on the cheapest plans, installed desktop apps above that.
- Services - mailboxes, SharePoint and OneDrive storage, Teams meetings. Storage limits differ by plan and are a common surprise.
- Security - conditional access, advanced email filtering, device management. This is usually where the price steps up.
- Management - reporting, compliance and archiving tools that matter more the more regulated you are.
The practical question isn't "which plan is best" - it's "which of these four do we need, for whom". A warehouse team and a finance team rarely need the same licence.
02
The plan tiers in plain English
- Entry-level Business plans give web and mobile apps plus email. Fine for shared or occasional users, frustrating as a default for office staff.
- Mid-tier Business plans add the installed desktop apps. This is where most small organisations sit.
- Top-tier Business plans add device management and stronger security. Often the best value step for organisations under three hundred people.
- Enterprise plans remove the user cap and add compliance and analytics tooling. Necessary above three hundred users, and sometimes below it for regulated work.
- Front-line plans cover shift and shop-floor staff at a much lower cost, and are routinely overlooked.
The most common overspend we see isn't the wrong plan - it's one plan applied to everybody, including people who only need email on a phone.
03
Where the money quietly goes
- Licences for leavers. Accounts get disabled but the licence keeps billing. Check this first; it's the fastest win.
- Everyone on the same plan regardless of role.
- Add-ons bought to solve a problem the top-tier plan already solved, so you pay twice.
- Third-party tools duplicating something included: file sharing, video calls, e-signature, basic device management.
- Annual commitments renewed at last year's headcount after the team shrank.
- Storage add-ons bought instead of clearing out ten years of abandoned SharePoint sites.
None of these are anyone's fault. They're what happens when licensing is a purchase rather than a routine.
04
How to run a licence review
Do this in one sitting, with the invoice and the admin centre open side by side. The gap between the two is the whole point of the exercise.
- Export the list of assigned licences and match it to your current payroll or staff list.
- Group people by how they actually work: desk-based, mobile-only, shared device, external contractor.
- Map the smallest licence that meets each group's needs, then note where you'd be downgrading someone and why.
- List every third-party subscription and mark the ones duplicating something you already own.
- Check the usage reports - a paid app nobody has opened in ninety days is a conversation, not a certainty.
- Decide which changes to make at renewal and which can happen immediately.
Change licences on a small group first. Downgrading fifty people at once is how you turn a saving into a week of complaints.
05
Getting the renewal right
- When exactly does the term end, and how long is the window to reduce seat counts?
- Are you on an annual commitment paid monthly? You usually can't reduce mid-term.
- Does your reseller add a margin, and what do you get for it - genuine support, or a line on an invoice?
- Are non-profit or education pricing tiers available to you? Many organisations qualify and never ask.
- Who in your organisation owns the tenant administrator account? It should be you, not a supplier.
Put a reminder in the calendar six weeks before renewal. Licence decisions made under time pressure default to "same again", which is exactly how the bill crept up in the first place.