Block the Office Store

Supported on: At least Windows Server 2008 R2 or Windows 7

Registry

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

Value name: disableomexcatalogs

Enabled: disableomexcatalogs = 1

Disabled: disableomexcatalogs = 0

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.