Roadmap ID 518287
LaunchedGCC
Outlook: LDAP directory support for S/MIME in New Outlook
Microsoft 365 Message Center Archive by Merill FernandoSummary
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
- Status
- Launched
- General availability target
- May 2026
- Preview target
- Not published
- Products
- Outlook
- Clouds
- Worldwide (Standard Multi-Tenant), GCC
- Release phases
- General Availability
- Platforms
- Desktop
- Source created
- 27 Oct 2025
- Source modified
- 6 Jul 2026 · 4mo ago