macOS: Using Screen Sharing Within Messages

Messages on the Mac has a built-in screen-sharing feature that is handy as heck for helping out friends and family with tech troubles, and in my experience, recent versions of this work pretty well! So now there’s no point in actually going out and visiting anyone, right? Or even leaving your house. Wait, maybe you shouldn’t be like me.

To check this out, open the Messages program on your Mac first, and then click on the conversation with the person whose screen you’d like to view from the sidebar.

Messages Sidebar on the Mac showing conversations

From the menus at the top, choose Buddies > Ask to Share Screen.

Messages Buddies menu Ask to Share Screen option

On the other person’s computer, a pop-up will appear asking for access…

Messages Ask Permission Prompt for screen sharing

…and when he clicks “Accept,” he’ll get some options for what he wants to allow you to do.

Messages Screen Sharing Ask Permission Prompt

“Control my screen” is just what it sounds like; if the user grants you this access, you’ll be able to move his mouse around just as if you were sitting in front of his Mac. “Observe my screen” could be useful too, though, if he just wanted to show you something without granting you full control. In any case, once he makes his choice and clicks “Accept,” you should see your friend’s screen appear within a window on yours.

Messages Screen on Screen View on the Mac

I gotta say that even though I’ve been doing tech support for a long time, that’s still weird to me. HIS MAC IS ON MY MAC SOMEHOW.

Anyway, as long as your friend gave you screen-controlling privileges, you can then click around, fix stuff, and help him as much as your little heart desires. Pay attention as well to the toolbar icons that the Screen Sharing functionality gives you:

Messages screen sharing Toolbar Icons

Those first two buttons on the left will toggle between controlling mode and observing mode (and it’ll ask the other user to confirm the change if he didn’t originally give you controlling privileges). The middle two buttons will change the scaling view of the display, so if the other screen looks all weird and stretched, for example, you can try switching this mode. And finally, the “Clipboard” button will allow you to sync your clipboard with the remote computer or send the clipboard contents between the two Macs.

Messages Screen Sharing Send Clipboard option

Kinda creepy.

So after you’ve helped your friend as much as you can (or, at least, as much as you’re willing to!), you can disconnect from his machine by just closing the Screen Sharing window or by picking Connection > Close from the menus at the top.

Messages Screen Sharing Close Connection option

Your friend can also break the link at any time using a menu bar icon that’ll appear whenever a remote user is connected (he’d pick “End Screen Sharing”).

Messages Menu Bar Icon End Screen Sharing option

Finally, one more thing: As you can see in the screenshot just above, “Mute Microphone” is an option on the receiving Mac, and the controlling/observing end has that too under the menus:

Messages Screen Sharing includes a Mute Microphone option in the Connection menu

Because, yeah, it’s kind of important to know that anything you say will be heard by the person who’s sitting in front of the remote computer if you don’t mute your microphone. Tech support can be frustrating! Believe me, I understand. Just don’t let the frustration make you curse out loud over a remote connection with your great-grandma, OK?

3 thoughts on “macOS: Using Screen Sharing Within Messages

  • This is a great capability and one I’ve used quite a bit to help the family and friends for whom I provide Mac support. It used to be part of iChat and that required an AOL login (!) but it’s great that it’s now part of Messages, and just uses your AppleID.

    I find the hardest part if getting the person at the other end to actually start Messages, and to notice the “request access” box. For some reason, that is amazingly difficult for some people.

    Now if only there were something similar for iPhone. Sigh.

    1. Now if only there were something similar for iPhone. Sigh.

      There is. AppleCare support uses it all the time to help troubleshoot and provide support. I don’t understand why they don’t make it available to users.

      1. I don’t know the answer to that but could it be to do with server availability? There are many millions more using iOS than macOS so could the relevant connections get swamped?

        Thanks to Melissa for the heads-up on this though!

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