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Defender for Office 365 Plan 1 vs Plan 2

4 of 9 features differ. Differences are shown first, grouped by product area.

  • Defender for Office 365 Plan 1
  • Defender for Office 365 Plan 2

Prices are US list prices per user/month with an annual commitment, verified November 1, 2026. Sources: Defender for Office 365 Plan 1, Defender for Office 365 Plan 2 (opens in a new tab).

Key differences

  • 4 of 9 features differ, all in Threat protection (4).
  • Defender for Office 365 Plan 2 costs $3.00 more per user/month than Defender for Office 365 Plan 1: $5.00 per user/month against $2.00 per user/month.
  • Defender for Office 365 Plan 2 includes 4 features Defender for Office 365 Plan 1 does not, such as Attack simulation training.
  • Every feature Defender for Office 365 Plan 1 includes is also included in Defender for Office 365 Plan 2.

  • 4 included only in Defender for Office 365 Plan 2
  • Included
  • Included at that level
  • Add-on
  • Partial or announced
  • Unclear in the sources; verify before buying
  • Not included
Feature coverage for Defender for Office 365 Plan 1, Defender for Office 365 Plan 2, grouped by product area
FeatureDefender for Office 365 Plan 1, $2.00 per user/monthDefender for Office 365 Plan 2, $5.00 per user/month
Threat protection, 4 differences
Attack simulation trainingNot includedIncluded
Automated investigation and response (AIR)Not includedIncluded
Campaign viewsNot includedIncluded
Threat ExplorerNot includedIncluded