How to Encrypt an Email in Outlook 2025

Here’s your step-by-step guide for how to secure your email and data with an email signing certificate

Email encryption is a godsend for many businesses, governments, and organizations that wish to keep their customers’ information secure. It’s also a major benefit and contributes to your organization adhere to regulatory compliance through HIPAA, GDPR, DFARS, PCI, and other important acronyms you’d find in a bowl of alphabet soup. However, knowing how to encrypt email in Outlook 2025 isn’t necessarily something that comes naturally to most users.

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