Block the Office Store

Category

User Configuration > Administrative Templates > Microsoft Office 2016 > Security Settings > Trust Center > Trusted Catalogs

Scope

User

Registry Key

HKCU\software\policies\microsoft\office\16.0\wef\trustedcatalogs

Description

This policy setting allows you to prevent users from using or inserting web add-ins that come from the Office Store. If you enable this policy setting, apps from the Office Store are blocked. If you disable or do not configure this policy setting, apps from the Office Store are allowed, unless the "Block Apps for Office" policy setting is enabled.