How to Lock Messages on Your Mac

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Are you looking for a way to lock your messages on your Mac computer? Look no further! Locking your messages is a great way to keep them secure and private. In this blog post, we’ll go through the steps of how to lock messages on your Mac computer.

First, you’ll need to launch the Messages app from your dock or from the Applications folder. Once in the app, click “Messages” in the top menu bar. From there, select “Preferences” and then select the “iMessage” tab. Now you should see an option that says “Allow Messages from my contacts only” – make sure this box is checked. This will ensure that only people in your contacts list can send you messages.

Next, click on “System Preferences” from the top menu bar and then select “Notifications & Focus”. In this section, you should see an option called “Messages” – make sure it is unchecked so that notifications don’t appear when someone sends you a message.

Finally, open up the Security & Privacy settings in System Preferences and click on “Privacy & Security” in the sidebar. Scroll down to find “Photos” and turn off access for every app listed so that no one can view or access your photos without permission.

And there you have it – locking messages on your Mac computer is easy! By following these simple steps, you can ensure that all of your messages stay safe and secure while still being able to communicate with friends and family members quickly and easily.

How to Lock Messages on Your Mac 1

Setting a Lock Message on a Mac

To set a Lock message on your Mac, open the System Preferences by clicking the Apple menu in the top left corner of your screen. Then select Lock Screen from the sidebar. In the settings, make sure to turn on “Show message when locked” and click Set. Enter your desired message into the text box and click OK. Now your message will be displayed in the login window whenever you lock your Mac.

Restricting iMessage on Mac

To restrict iMessage on Mac, you will need to sign out of Messages and make a few changes in System Preferences. First, open Messages and select Preferences from the upper menu bar. Select the iMessage tab and sign out to turn off Messages on your Mac. Next, select System Preferences and choose Notifications & Focus. Click to select the Messages app, then toggle off the option to allow notifications. Finally, untick any other boxes as desired to further restrict iMessage on your Mac.

Locking iMessage on Mac

Yes, you can lock iMessage on Mac. To do this, open System Preferences from the Apple menu and navigate to Security & Privacy. Under the General tab, you will find the option to require a password after your Mac has been asleep or inactive for a certain amount of time. This will prevent anyone else from using your computer without entering a password first. If you want to add an additional layer of security, you can also enable FileVault encryption which will encrypt your entire hard drive and make it even more difficult for unauthorized users to access your files.

Locking or Hiding iMessages

To lock or hide your iMessages, you need to navigate to your device’s Settings, then select Messages. In the Notifications section, tap Show Previews and select Never. This will ensure that no one can see or access your iMessages without unlocking your device.


In conclusion, locking messages on your Mac provides an extra layer of security to protect your personal information and conversations. It is relatively straightforward to do, as all you need to do is access the System Settings or Preferences menu and adjust your settings accordingly. You can choose to lock individual conversations or turn off access to Messages for certain apps, and you can even add a message to the login window that will be displayed when the Mac is locked. With these simple steps, you can ensure that your messages are kept safe from prying eyes.

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James Walker

James Walker has a deep passion for technology and is our in-house enthusiastic editor. He graduated from the School of Journalism and Mass Communication, and loves to test the latest gadgets and play with older software (something we’re still trying to figure out about himself). Hailing from Iowa, United States, James loves cats and is an avid hiker in his free time.