Microsoft 365 Roadmap
RM518287Outlook: LDAP directory support for S/MIME in New Outlook
Summary
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
Description
Version history
3 versions tracked
Updated 2 times since Apr 13, 2026. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.
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- Jul 6, 2026 - 11:00 PMLatest - v3
Changed: Tags, Status
- May 29, 2026 - 10:30 PMv2
Changed: Body, Tags, Status
- Apr 13, 2026 - 11:15 PMOriginal - v1
Changed: Initial version