Egress Prevent vs Microsoft Purview Data Loss Prevention: Side-by-Side Comparison (2026)

Egress Prevent: Outbound email DLP that prevents accidental & malicious data loss via email. built by Egress. Core capabilities include Misdirected email detection using relationship mapping, Mis-attached file detection with contextual ML, Data exfiltration detection and blocking..

Microsoft Purview Data Loss Prevention: Prevents unauthorized sharing and transfer of sensitive data across devices. built by Microsoft. Core capabilities include Centralized policy management through Microsoft Purview compliance portal, Protection across endpoints, Office 365, OneDrive, SharePoint, Microsoft Teams, and Microsoft 365 Copilot, Sensitive information type detection including out-of-the-box, custom, and trainable classifiers..

Both serve the Email DLP market but differ in approach, feature depth, and target audience.

Egress Prevent differentiates with Misdirected email detection using relationship mapping, Mis-attached file detection with contextual ML, Data exfiltration detection and blocking. Microsoft Purview Data Loss Prevention differentiates with Centralized policy management through Microsoft Purview compliance portal, Protection across endpoints, Office 365, OneDrive, SharePoint, Microsoft Teams, and Microsoft 365 Copilot, Sensitive information type detection including out-of-the-box, custom, and trainable classifiers.

Egress Prevent is developed by Egress. Microsoft Purview Data Loss Prevention is developed by Microsoft. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Egress Prevent integrates with Microsoft Outlook, Microsoft Office 365, Microsoft Azure Information Protection, Microsoft Purview, Outlook Web Access and 4 more. Microsoft Purview Data Loss Prevention integrates with Microsoft Purview Information Protection, Microsoft Defender XDR, Microsoft Sentinel, Microsoft 365 Copilot, Office 365 and 3 more. Check integration compatibility with your existing security stack before deciding.

Egress Prevent and Microsoft Purview Data Loss Prevention serve similar Email DLP use cases: both cover Microsoft 365. Review the feature comparison above to determine which fits your requirements.