Policy
Overwrite or Append Junk Mail Import List
By default, when a new Junk E-mail Filter list is deployed, Outlook appends the new Junk Mail Import List to the existing list. Enable this setting to replace the existing list with the new list, instead of appending to the current list.
Pack Microsoft Office
Category Microsoft Outlook 2016 / Outlook Options / Preferences / Junk E-mail
Policy ID
edb865326053 Internal name
L_OverwriteorAppendJunkMailImportList Registry
Copy registry mappings
HKCU\software\policies\microsoft\office\16.0\outlook\options\mail\junkmailimportappend (enabled) = 0
HKCU\software\policies\microsoft\office\16.0\outlook\options\mail\junkmailimportappend (disabled) = 1Policy notes
By default, when a new Junk E-mail Filter list is deployed, Outlook appends the new Junk Mail Import List to the existing list. Enable this setting to replace the existing list with the new list, instead of appending to the current list.