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

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

Target May CY2026Cloud Worldwide, GCCPlatform DesktopSource last updated 2026-07-06

Affected: Outlook

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