9.19. Messaging

⌘ + r › ms-settings:privacy-messaging

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

9.19.1. Allow access to messaging on this device

Disable Allow access to messaging on this device

This disables all messaging options. See Allow apps to read or send messages to manage access on a per app basis.

GPO

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

ENABLED

Default for all apps

Force Deny

Allow enables.

Updated: 2021-02-19 Reference

Regedit

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\CapabilityAccessManager\ConsentStore\chat

Value

SZ

Deny

Updated: 2021-02-19 Reference

9.19.2. Allow apps to read or send messages

Disable Allow apps to read or send messages
GPO

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

ENABLED

Default for all apps

Force Deny

0 enables apps access to messaging.

Updated: 2021-02-19 Reference

Regedit

HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\AppPrivacy

LetAppsAccessMessaging

DWORD

2

Updated: 2021-02-19 Reference

9.19.3. Choose which apps can read or send messages

See Allow apps to read or send messages.