Productivity apps
Not included
Licence AtlasUK editionStandalone
Defender for Office 365 Plan 1
Advanced email and collaboration protection
Best for: Organisations adding Safe Links, Safe Attachments and anti-phishing protection
Last checked5 October 2026
Last factual change20 August 2026
Primary sourceOpen Microsoft page ↗Price and headline entitlements were verified against the linked official Microsoft source.
Entitlement status
What the licence includes
Each capability is labelled so included rights and additional requirements are clear.
Adds advanced protection to eligible email
Teams
Collaboration threat protection
Cloud storage
Protects supported SharePoint and OneDrive content
Identity & devices
Not included
Security & compliance
Safe Links, Safe Attachments and anti-phishing
AI & analytics
Real-time detections
Service-level detail
Included services
These service records explain the principal capabilities and important limits represented in this licence.
Microsoft Defender for Office 365 Plan 1
Protection for email and collaboration workloads against phishing, zero-day malware and business email compromise.
- Everything in built-in Exchange Online protection Source ↗
- Safe Links time-of-click URL checking Source ↗
- Safe Attachments sandboxing Source ↗
- Anti-phishing and impersonation protection Source ↗
Applications
Included experiences
Microsoft Defender portal
Pricing caveat
These prices are provided by Microsoft and might not be the price you pay if you have a reseller. For accurate pricing, please speak with your appropriate reseller.