Do not use Conversation arrangement in Views

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

Registry

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

Value name: upgradetoconversations

Enabled: upgradetoconversations = 0

Disabled: upgradetoconversations = 1

Description

This policy setting allows you to prevent the use of Conversation arrangement in Views. If you enable this policy setting, you will prevent Conversational arrangement in Views. If you disable or do not configure this policy setting, users will be able to use Conversation arrangement in Views.