Policy

Turn off Hierarchical Address Book

This policy setting turns off the Hierarchical Address Book (HAB). If you enable this policy setting, the HAB will be turned off. If you disable or do not configure this policy setting, the HAB will be displayed.

Policy
Pack Microsoft Office
Category Microsoft Outlook 2016 / Account Settings / Exchange
Policy ID 3e2c4970c38b
Internal name L_TurnOffHierarchicalAddressBook

Registry

Copy registry mappings

HKCU\software\policies\microsoft\office\16.0\outlook\disablehab (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\outlook\disablehab (disabled) = 0

Policy notes

This policy setting turns off the Hierarchical Address Book (HAB). If you enable this policy setting, the HAB will be turned off. If you disable or do not configure this policy setting, the HAB will be displayed.

Related policies

Allow Outlook Autodiscover to interact with Office Config ServiceAuthentication with Exchange ServerAutodiscover is always capable of using modern authenticationAutomatically configure profile based on Active Directory Primary SMTP addressAutomatically configure profile based on Active Directory Primary SMTP address (one-time only)Cached Exchange low bandwidth thresholdConfigure Outlook Anywhere user interface options