Policy

Turn on purge when switching folders

When "purge on switch" is enabled, IMAP e-mail messages marked for deletion in the current folder will be permanently removed from the server when the user switches to another folder. This setting will allow you to enable the IMAP "purge on switch" feature.

Policy
Pack Microsoft Office
Category Microsoft Outlook 2016 / Account Settings / IMAP
Policy ID 3ca015b6ce54
Internal name L_Turnonpurgewhenswitchingfolders

Registry

Copy registry mappings

HKCU\software\policies\microsoft\office\16.0\outlook\options\mail\enablepurgeonswitch (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\outlook\options\mail\enablepurgeonswitch (disabled) = 0

Policy notes

When "purge on switch" is enabled, IMAP e-mail messages marked for deletion in the current folder will be permanently removed from the server when the user switches to another folder. This setting will allow you to enable the IMAP "purge on switch" feature.