To deactivate Facebook Messenger for everyone, we can follow these steps:
(How To Deactivate Facebook Messenger)
1. Go to your profile page: Log in to your Facebook account using your username and password.
2. Click on “Settings” or “System settings” if you are using Windows users.
3. Scroll down and click on “User data.”
4. Under the “Data and security” section, uncheck the box next to “Manage information for Facebook.”
5. Click “Update my privacy settings” at the bottom of the page.
6. Wait for the changes to take effect and click on “OK.”
If you’ve enabled notifications from Facebook, we need to turn them off for all accounts first. To do this, go to the “System” tab and then click on “Address Books”.
9. Scroll down and find the address book of your friend’s account. Select the account that you want to remove from the list of notifications.
10. Click on “Stop receiving notifications” next to the account.
Once you’ve finished removing the account, you should see a message in your Facebook inbox saying that the account has been successfully removed.
(How To Deactivate Facebook Messenger)
Remember, changing your Facebook account passwords is just one way to protect your privacy and prevent unauthorized access to your personal information. You may also want to consider setting up two-factor authentication or using encryption to further secure your online activity.