Turn off Hierarchical Address Book department selection

Supported on: At least Windows Server 2008 R2 or Windows 7

Registry

HKCU software\policies\microsoft\office\16.0\outlook

Value name: disablepickingdepartment

Enabled: disablepickingdepartment = 1

Disabled: disablepickingdepartment = 0

Description

This policy setting controls whether departments can be picked as recipients in the Hierarchical Address Book (HAB). If you enable this policy setting, the tree control to pick departments as recipients is turned off in the HAB. If you disable or do not configure this policy setting, the tree control to pick departments as recipients is turned on in the HAB.