Outlook: LDAP directory support for S/MIME in New Outlook

Microsoft 365 Roadmap ID: 518287
In development
Outlook
Worldwide (Standard Multi-Tenant) GCC
General Availability
Desktop
April 2026

Description

The new Outlook now supports LDAP (Lightweight Directory Access Protocol) directories for sending S/MIME encrypted emails. This allows users to add an LDAP directory in the new Outlook and use it to fetch recipients’ certificates from the configured directory when sending S/MIME encrypted messages. #newoutlookforwindows

Change History

No change history available

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