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Outlook: Support for Storing S/MIME Certificates in Contacts in New Outlook

Roadmap ID
518288
View in M365 Roadmap
Product
Outlook
Published
October 24, 2025
Status
Rolling out
Cloud Instances
Worldwide (Standard Multi-Tenant)GCC
Release Phase
General Availability
Platform
Desktop
Expected Release
May 2026

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

Change History

Show
Published: October 24, 2025
Last Updated: May 27, 2026
May 28, 2026 at 12:00 AM Updated
Status
Previous
In development
New
Rolling out
Modified Date
Previous
2026-05-19T22:45:25.000Z
New
2026-05-27T23:15:50.000Z
May 20, 2026 at 12:00 AM Updated
Release Date
Previous
March CY2026
New
May CY2026
Modified Date
Previous
2025-10-24T22:00:49.000Z
New
2026-05-19T22:45:25.000Z

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