Office 365 vs Microsoft 365 (E1, E3, E5)
Office 365 E3 costs £23.30 and Microsoft 365 E3 £33.50 per user and month (Microsoft list price for the UK in pounds sterling, annual commitment, excl. VAT, as of 16 October 2026). Microsoft 365 E3 adds 30 capabilities and drops none in Microsoft’s plan comparisons.
Microsoft 365 takes Office 365 and adds Windows Enterprise, Microsoft Intune, Microsoft Entra ID and endpoint security.
Microsoft’s list price per user and month
- Office 365 E1 £7.70
- Office 365 E3 £23.30
- Office 365 E5 £36.80
- Microsoft 365 E3 £33.50
- Microsoft 365 E5 £51.60
From Office 365 E3 to Microsoft 365 E3: Adds 30 capabilities, loses nothing · +£10.20 per user and month
Counts rows in Microsoft’s plan comparison; one row can hold several features.
Annual commitment, excl. VAT, Microsoft’s list price for the UK (in pounds sterling) as of 16 October 2026. Add or remove plans in the table below. All plans side by side
115 capabilities differ of 198 · · drag a plan to move it, or an add-on onto a plan to merge them
Prices per user and month, annual commitment, excl. VAT, as of 16 October 2026.
ClearSource restates Microsoft’s published facts in its own layout; for the full details open Microsoft’s documents. Prices are Microsoft’s UK list prices in pounds. Microsoft 365 User Subscription Suites for Small and Medium-sized Businesses · Microsoft 365, Office 365, Enterprise Mobility + Security, and Windows 11 Subscriptions
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