Messageware AttachView vs Trustifi Outbound Shield: Side-by-Side Comparison (2026)

Messageware AttachView: OWA add-on that converts email attachments into secure HTML pages. built by Messageware. Core capabilities include Converts attachments to secure HTML pages, preventing local file storage or browser caching, Supports over 400 file formats without requiring local application installation, Granular admin controls for open, view, save, copy, and print permissions per user/group/IP/device..

Trustifi Outbound Shield: Outbound email security with automated encryption and DLP for compliance. built by TrustiFi. Core capabilities include Automated email encryption based on administrator policies, AES 256-bit end-to-end encryption, Real-time data loss prevention scanning..

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

Messageware AttachView differentiates with Converts attachments to secure HTML pages, preventing local file storage or browser caching, Supports over 400 file formats without requiring local application installation, Granular admin controls for open, view, save, copy, and print permissions per user/group/IP/device. Trustifi Outbound Shield differentiates with Automated email encryption based on administrator policies, AES 256-bit end-to-end encryption, Real-time data loss prevention scanning.

Messageware AttachView is developed by Messageware. Trustifi Outbound Shield is developed by TrustiFi. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Messageware AttachView integrates with Microsoft Exchange Server, Outlook Web Access (OWA), ISA Server, SSL VPN, RSA and 1 more. Trustifi Outbound Shield integrates with Microsoft Office 365, Exchange on-premise, Google Workspace. Check integration compatibility with your existing security stack before deciding.

Messageware AttachView and Trustifi Outbound Shield serve similar Email DLP use cases: both are Email DLP tools. Review the feature comparison above to determine which fits your requirements.