StealthMail logo
    Product · StealthMail

    StealthMail for Office 365

    End-to-end encryption for Outlook that grants organizations exclusive control over their encryption keys to safeguard sensitive communications against advanced threats and data breaches.

    Claim profile
    Start with a briefWebsite

    Be the first to recommend

    Recommend and Save apply to StealthMail.

    Email Security

    Picari insights

    Mid-market to enterprise organizations using Microsoft 365 that require strict, zero-trust end-to-end encryption with complete customer-held key management for highly sensitive communications.

    Best for
    • Organizations requiring complete ownership of encryption keys outside Microsoft's cloud
    • Securing highly confidential executive and legal email exchanges in Outlook
    • Enforcing strict recipient access controls and audit trails on sensitive messages
    May not be ideal if
    • Organizations seeking comprehensive anti-phishing, SEG, or threat detection capabilities
    • Heterogeneous environments relying primarily on Google Workspace or non-Outlook clients
    • Teams needing a frictionless, zero-setup decryption experience for external recipients
    Next Step
    Considering StealthMail for Office 365?

    Ask about pricing, alternatives, or if StealthMail for Office 365 is right for you.

    • Personalized fit analysis
    • See relevant alternatives
    • Run an evaluation when you're ready

    Core capabilities

    Data control to restrict reply forward copy and print with revoke access
    End-to-end encryption on device in transit and at rest
    User activity monitoring and device management

    Common use cases

    01

    Mitigating human error

    02

    Preventing data breaches

    03

    Protection against advanced attacks

    Things to consider

    Every product has trade-offs, and which of them matter depends on your environment, your team and your timeline.

    Ask Picari about StealthMail for Office 365

    Security & compliance

    Frameworks StealthMail for Office 365 reports for security, privacy, and regulatory compliance.

    GDPR

    EU data protection compliance

    Publicly available

    HIPAA

    US healthcare data protection

    Publicly available

    PCI DSS

    Payment card data security standard

    Publicly available

    StealthMail for Office 365 pricing and integrations

    For StealthMail for Office 365 integration and pricing details, ask Picari. Start a briefing with your question, such as whether it connects to your SIEM, identity provider and ticketing stack, or how it is priced at your seat count and data volume.

    Ask Picari about StealthMail for Office 365 pricingAsk Picari about StealthMail for Office 365 integrations

    Unverified profile

    This profile hasn't been verified by StealthMail yet. Information may be incomplete.

    Are you from StealthMail? Verify this profile

    Profile last updated on 9 October 2026 by Picari.