Deactivate Outlook web add-ins whose equivalent COM or VSTO add-in is installed

This policy setting allows you to deactivate Outlook web add-ins if the associated COM or VSTO add-in is installed.

If you enable this policy setting, users will not be able to use Outlook web add-ins where the corresponding COM or VSTO add-in is installed and you have provided the following information for each add-in.
"Value name": Specify the Id of the Outlook web add-in, as noted in its manifest. Note: Do not add {} around the Id.
"Value": Specify the programmatic ID (ProgID) for the Outlook COM or VSTO add-in.

If you disable or don't configure this policy setting, users will continue to be able to use any versions of the add-in that are installed.

For more information about when to use this setting, see https://go.microsoft.com/fwlink/p/?linkid=2156690

Supported on: At least Windows 7

Enable policy:
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\16.0\outlook\addins\equivalentcomaddin
Value Namepolicyon
Value TypeREG_DWORD
Value1
Disable Policy:
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\16.0\outlook\addins\equivalentcomaddin
Value Namepolicyon
Value TypeREG_DWORD
Value

Outlook web add-ins to deactivate

Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\16.0\outlook\addins\equivalentcomaddin
Value Name{number}
Value TypeREG_SZ
Default Value

outlk16.admx

Administrative Templates (Computers)

Administrative Templates (Users)