Antivirus & Device Security software

Microsoft Defender for Office 365

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01 / Overview

What is Microsoft Defender for Office 365?

Microsoft Defender for Office 365 provides security capabilities for business email and collaboration environments, including protection against phishing and related threats.

Who is Microsoft Defender for Office 365 for?

Teams responsible for security operations that need email security and want to evaluate the complete delivery, access and cost requirements.

02 / Capabilities

Microsoft Defender for Office 365 features

The core capabilities to consider for your workflow.

  • Email security
  • Phishing protection
  • Collaboration security
03 / Plans & costs

Microsoft Defender for Office 365 pricing

Plan availability

Check current plans

Confirm the required edition, users, modules and usage in the current offer. Include implementation, integrations and ongoing support in the full buying scope.

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Free access & evaluation

Review the current free, trial and paid access options with the vendor. A trial or demonstration does not establish an ongoing free production entitlement.

04 / Buying checklist

Before you choose Microsoft Defender for Office 365

  • Match coverage to the relevant workloads, applications and threats and assign an operational response owner.

  • No security product guarantees complete protection; validate configuration, data access, integrations and the purchased coverage.

05 / Related software

Explore related software

06 / Questions answered

Microsoft Defender for Office 365 FAQs

Does Microsoft Defender for Office 365 have a free plan?

Review the current free, trial and paid access options with the vendor. A trial or demonstration does not establish an ongoing free production entitlement.

Who is Microsoft Defender for Office 365 for?

Teams responsible for security operations that need email security and want to evaluate the complete delivery, access and cost requirements.

What should I compare before buying?

Check the tier that contains your essential features, confirm plan limits and compare the total quote with your own expected usage.