Turn off automatic search index reconciliation

Category

User Configuration > Administrative Templates > Microsoft Outlook 2016 > Outlook Options > Preferences > Search Options

Scope

User

Registry Key

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

Description

This policy setting configures the automatic verification of the integrity of Outlook's search index every 72 hours. If you enable this policy setting, automatic reconciliation will be turned off. If you disable or do not configure this policy setting, Outlook will reconcile its index every 72 hours.