Egress Prevent vs Standss SendGuard for Outlook: 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..

Standss SendGuard for Outlook: Outlook add-in for email DLP, compliance, and accidental send prevention. built by Standss (South Pacific) Limited. Core capabilities include Pre-send confirmation prompts for recipients and attachments, External domain highlighting, Reply All confirmation and blocking..

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. Standss SendGuard for Outlook differentiates with Pre-send confirmation prompts for recipients and attachments, External domain highlighting, Reply All confirmation and blocking.

Egress Prevent is developed by Egress. Standss SendGuard for Outlook is developed by Standss (South Pacific) Limited. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Egress Prevent integrates with Microsoft Outlook, Microsoft Office 365, Microsoft Azure Information Protection, Microsoft Purview, Outlook Web Access and 4 more. Standss SendGuard for Outlook integrates with Microsoft Outlook, Office 365, Outlook Web App, Outlook for Mac, New Outlook. Check integration compatibility with your existing security stack before deciding.

Egress Prevent and Standss SendGuard for Outlook serve similar Email DLP use cases: both are Email DLP tools, both cover Microsoft 365. Review the feature comparison above to determine which fits your requirements.