M365 Archive
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

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

GA date: May CY2026

Version history

4 versions tracked

Updated 3 times since Oct 24, 2025. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.

Compare latest to previous (v3)Compare latest to original (v1)

Compare any two versions

From
To
  1. Jul 6, 2026 - 11:00 PMLatest - v4

    Changed: Tags, Status

  2. May 27, 2026 - 11:15 PMv3

    Changed: Tags, Status

    View this versionCompare to latest
  3. May 19, 2026 - 10:45 PMv2

    Changed: Body

    View this versionCompare to latest
  4. Oct 24, 2025 - 10:00 PMOriginal - v1

    Changed: Initial version

    View this versionCompare to latest