M365 Archive

RM518288 - Outlook: Support for Storing S/MIME Certificates in Contacts in New Outlook

Microsoft 365 Roadmap

Roadmap ID

518288

View in M365 Roadmap

Status

In development

Release

General Availability

Published

Oct 24, 2025

Platforms

Desktop

Service

Outlook

Tag

In development
General Availability
Worldwide (Standard Multi-Tenant)
GCC

Cloud

GCC
Worldwide (Standard Multi-Tenant)

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: March CY2026