Policy

Block Web Add-ins

This policy setting allows you to prevent users from using web add-ins. If you enable this policy setting, web add-ins are blocked and all other policy settings in the Trusted Catalogs folder are ignored. If you disable or do not configure this policy setting, apps are allowed. Other policy settings in the Trusted Catalogs folder determine which specific app sources are allowed.

Policy
PackMicrosoft Office
CategoryMicrosoft Office 2016 / Security Settings / Trust Center / Trusted Catalogs
Policy IDa20aab9eb514
Internal nameL_DisableAllCatalogs

Registry

Copy registry mappings

HKCU\software\policies\microsoft\office\16.0\wef\trustedcatalogs\disableallcatalogs (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\wef\trustedcatalogs\disableallcatalogs (disabled) = 0

Policy notes

This policy setting allows you to prevent users from using web add-ins. If you enable this policy setting, web add-ins are blocked and all other policy settings in the Trusted Catalogs folder are ignored. If you disable or do not configure this policy setting, apps are allowed. Other policy settings in the Trusted Catalogs folder determine which specific app sources are allowed.

Related policies

Allow Unsecure web add-ins and CatalogsAllow users to control the Trusted Shared Folder CatalogsBlock the Office StoreDefault Shared Folder LocationDefault SharePoint Catalog LocationTrusted Catalog Location #1Trusted Catalog Location #10