Productivity suite
What does 25 Microsoft 365 users cost in 2026?
At list pricing on the Business Standard plan ($12.5/user/mo, billed annual), 25 users run $312.5/month or $3,750/year. Real invoices vary with negotiated discounts, add-ons, and mid-cycle changes.
Monthly
$312.5
Annual
$3,750
Typical shelfware (23%)
$864/yr
All Microsoft 365 plans at 25 users
| Plan | Per user/mo | Total monthly | Total annual |
|---|---|---|---|
Business Basic Web/mobile Office, Teams, 1 TB OneDrive | $6 | $150 | $1,800 |
Business Standard Adds desktop Office apps, webinars | $12.5 | $312.5 | $3,750 |
Business Premium Adds Intune, advanced security | $22 | $550 | $6,600 |
E3 (Enterprise) E-discovery, DLP, unlimited cloud archive | $36 | $900 | $10,800 |
E5 (Enterprise) Defender, Power BI Pro, audio conferencing | $57 | $1,425 | $17,100 |
Source: Microsoft 365 pricing page. List price, USD, annual billing where offered.
The number nobody puts on the pricing page
SeatMap.AI's Shelfware Index shows the median Microsoft 365 team runs at 23% inactive seats. On a 25-user Business Standard plan, that's $864/year paid for users that never showed up.
What a real Microsoft 365 audit at this size looks like
- Median active-user rate
- 71%
- Shelfware Index benchmark for Microsoft 365 teams this size.
- Dormancy window
- 60 days
- How long a seat can sit idle before it counts as ghost.
- Hidden cost we flag
- Users on E5 who only touch Outlook and Teams.
M365 reclaim is often a downgrade play (E5 → E3, E3 → F1) rather than a straight deactivation — the identity stays, the license class drops.
"We didn't need to deactivate anyone. We needed to move 40 people off E5."
Read the full breakdown in case studies or see the live weekly benchmark on the Shelfware Index.
Other team sizes
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