SSNProtector for Windows

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Editors’ Review

Download.com staffFebruary 24, 2026

This Outlook add-on secures sensitive information by scanning outbound emails. It detects Social Security Numbers, encrypts attachments, and provides tools to mask data before sending to prevent accidental exposure.

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Trial version

Pros
- Scans email subject, body, and attachments for SSNs
- Encrypts attachments automatically with 256-bit AES
- Provides options to mask single or all detected entries
- Integrates into Outlook via a dedicated toolbar
- Allows creation of exclusion lists for addresses or domains
Cons
- Detection is limited to Social Security Numbers only
- Functions exclusively as a Microsoft Outlook add-on
- Does not specify encryption for the email body itself
- Relies on user action to mask detected data
- Scans outbound emails only