How to Block Apps from Accessing Messages on Windows 11

This updated guide explains how to block apps from accessing messages on Windows 11 with clear steps, practical tips, and useful context. Windows 11 has privacy settings that let you decide which apps can access sensitive data, like messages. Restricting access to messages on Windows 11 prevents apps from reading, sending, or managing messages, which directly reduces the risk of data leaks or unwanted notifications.

Block Windows 11 Message Access via Settings

Step 1:

Open Settings on your computer, then choose Privacy & security on the left side of the interface.

Step 2:

Looking at the content next to it, we look at the App permissions section , then drag down to the Messaging section to adjust.

Now you need to turn off Allow apps to access your messages to block applications from accessing messages on Windows 11.

Block Windows 11 Message Access via Registry Editor

Step 1:

You access Registry Editor then access the path below.

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionCapabilityAccessManagerConsentStorechat

Step 2:

In the right pane, double-choose the Value entry and then type Deny in the value bar to block all apps from accessing messages on Windows 11.