10.19. Messaging

⌘ + r › ms-settings:privacy-messaging

See Determining App List to generate a list of apps for more fine grained control of app access.

10.19.1. Allow access to messaging on this device

Disable Allow access to messaging on this device

This disables all messaging options.

GPO

Computer Configuration › Administrative Templates › Windows Components › App Privacy › Let Windows apps access messaging

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ENABLED

Default for all apps

Force Deny

Updated: 2021-02-19 Reference