Microsoft 365 Roadmap
RM518288Outlook: Support for Storing S/MIME Certificates in Contacts in New Outlook
Summary
The new Outlook will now allow users to store S/MIME encryption certificates within their Contacts. This enables users to save certificates directly in contact entries and use them to send S/MIME encrypted emails to the contacts. #newoutlookforwindows
Description
Version history
2 versions tracked
Updated 1 time since Oct 24, 2025. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.
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- May 19, 2026 - 10:45 PMLatest - v2
Changed: Body
- Oct 24, 2025 - 10:00 PMOriginal - v1
Changed: Initial version