Screen Sharing Messages App Mac Rating: 7,8/10 4352 reviews

Jan 02, 2020  How to start a screen-sharing session in the Messages app That’s the iMessage info panel on the Mac. Photo: Cult of Mac. Step one is to get on iMessage with your dad. Obviously, your friend is going to need a Mac to see the screen you’re sharing. If he doesn’t have one, then I suggest trying one of the alternatives below. If he does, make sure screen sharing is enabled in Messages by going to the Video menu and looking for “Screen Sharing Enabled”. Mar 31, 2020  You can accept your friend's sharing request, or they can accept yours, depending on who is sharing a screen with whom. Once the call is accepted the audio will start and the Screen Sharing app will open. Screen Control with Screen Share on Mac Using iMessage. Screen sharing on Mac also offers the option for screen control with permission. Sharing is supported from Windows, Mac, iOS, Android or any OS that supports the Chrome browser. The person who is sharing their screen downloads an app. And users can trade messages.

  1. Screen Sharing Through Messages Mac
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Messages User Guide

When you’re having a conversation with someone in Messages, you can share your screen with them, or they can share theirs with you. It’s a great way to work together on a project or help a friend do something on their computer.

Share a screen

  1. In the Messages app on your Mac, send a message to the person you want to share with, then click Details.

    You can’t send a message to someone who’s restricted by communication limits in Screen Time.

  2. Click the Screen Share button , then do one of the following.

    • Share your screen: Choose Invite to Share My Screen.

    • View your friend’s screen: Choose Ask to Share Screen.

    When the screen-sharing request is accepted, an audio call begins automatically (so you can talk while you work) and the Screen Sharing app opens. For information about using the Screen Sharing app, see Share the screen of another Mac.

  3. To stop screen sharing, do one of the following:

    • If you’re sharing your screen: Click in the menu bar, then choose End Screen Sharing. (If you’re not ready to stop yet, choose Pause Screen Sharing; choose it again to resume sharing.)

    • If you’re viewing your friend’s screen: Choose Screen Sharing > Quit Screen Sharing.

Tip: Don’t want someone to send you screen-sharing invitations? When you receive an invitation from them, hold the pointer over the Decline button, click , then click Block.

If you can’t share a screen

In the Messages app on your Mac, if the Screen Share button is dimmed, try the following:

  • Make sure the person youʼre trying to share with is signed in to iCloud using the same Apple ID they used to sign in to Messages.

  • If they can’t sign in to iCloud and Messages using the same Apple ID, open your Contacts app, and make sure your contact card for the person includes both Apple IDs—the one they use to sign in to iCloud, and the one they use in Messages. Then try sharing again. (See Create a contact card.)


Tip: You can also share screens without using the Messages app, using macOS screen sharing. See Turn Mac screen sharing on or off.

Allow someone to control your screen

When you share your screen with someone, you can also allow them to control your screen, which gives them complete access to your computer.

WARNING: Only allow people you trust to control your screen. They can do anything you can do on your computer—open apps, create or delete documents, copy files from your computer to theirs, and so on.

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On your Mac, do one of the following:

  • If you received an invitation to share your screen: Click Accept in the invitation. A message asks if you want to let the other person control your screen, or just observe it. Select “Control my screen,” then click Accept.

  • If you want to initiate screen sharing: Invite your friend to share their screen. After they accept, click in the menu bar, then choose “Allow [name] to control my screen” so there’s a checkmark next to it.

To take back control of your screen—but still let the other person view it—click in the menu bar, then choose “Allow [name] to control my screen” to remove the checkmark.

If you donʼt give someone screen control, they can still click to highlight areas on your screen.

2 3 likes 24,230 views Last modified Apr 4, 2016 12:29 PM

This Tip is to explain how to turn On Screen Sharing in Messages and what is needed to Screen Share with iChat and Messages Buddies using AIM Screen Names or Jabber IDs (The iChat Method)

(At Yosemite Apple Add an ability for iMessages conversations to launch the Screen Sharing App like it does for FaceTime for Video and Audio chats)

• Open Message app on your Mac
• iChat Style Buddy Lists are not displayed in Messages by default.

• To activate it, go to the ‘Messages’ Menu at the top menu bar and select Accounts and turn on the 'Bonjour' Account.

Note 1 In fact Enable any Jabber or AIM valid Account It does not have to be just Bonjour

• Any Enabled Account name will then show up at the bottom left hand corner of the Main Messages (Chat and Interface) window.

• Now under the Window Menu, click on 'Buddies' or use COMMAND + 1 ( number 1 )
• You will now see the an iChat Style Buddy List Window pop up. However the list may be empty if you have only enabled Bonjour in addition to the iMessages account.

Note 2 This List is a combined list at present.

Go to Messages Menu > Preferences > General Section and untick the line about 'gathering all accounts'

• If you have not added an AIM or Jabber based Account do this:-

Messages menu again and under Preferences, go into Accounts (Commonly written as Messages Menu > Preferences > Accounts) and click on the + at the bottom left hand corner and add an AIM or Jabber account in the next pane .

Note 3 You will need an AIM/Jabber/Google account ( just like you did on iChat before )

• Once you log in successfully, You’ll notice your list appears and you’ll see the familiar Screen Share button located at the bottom centre of the Buddy List window.

Now go to the Video Menu and Enable Screen Sharing at your end.

Text your Buddy that is using an AIM Screen Name or a Jabber/Google/Facebook ID on iChat or Messages and get them to enable Screen Sharing as well.

To activate, simply click on it and it will send them a request.


Screen Sharing Through Messages Mac

Note 4 Alternatively Highlight the Buddy and use the Buddies Menu

Alternatively to that Right click the Buddy and use the Contextual Menu.

General NOTES:-

Screen Sharing like Audio Only chats and Video Chats is AIM to AIM (including Valid Apple ID options) or Jabber to Jabber (which includes GoogleTalk and Facebook IDs) using iChat or Messages on both computers.

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Both Messages and iChat can only Screen Share with Buddies that can do Audio only and Video Chats (therefore Not the iMessages and Yahoo Accounts you may have.

The Minimum Speed needed is 128kbps which is the same as a 1-1 Video chat.

It is an Audio Only chat with a VNC connection along side.

This VNC Connection is on a random Port so you have to Use UPnP in most routers or Port Mapping Protocol in Apple Base Stations


To Activate Screen Sharing you have to have the Messages app open.

In the Video Menu of the app is an option to Enable Screen Sharing.

However Screen Sharing can only be done between AIM Buddies or Jabber Buddies (And Bonjour/LAN Based Macs).

That is AIM to AIM or Jabber to Jabber to Buddies that are also using iChat Version 4 and above or Messages.

AIM includes Names Registered with AIM and Apple Issued IDs such as the ones ending in, and

Jabber IDs can be gained from many servers all over the world. However GoogleMail IDs can activate 'Talk' on their Google Settings and use the ID for GoogleTalk which is a Jabber server run by Google. Facebook allows you to Enable 'Chat' on their Settings and then use the ID in Jabber connections.

So, if you do not have a Buddy list other than activating the Bonjour option you will need to either register a Screen Name (AIM) or ID (Jabber).

Bonjour is the connections that all Macs can make to other Macs on the Same LAN.

iChat and Messages can make use of this. You cannot Add Buddies to this list. It picks up the Names from the Mac User's account Contacts/Address Book App at the My card (your app grabs your Name from your Address Book/Contacts App and broadcasts it to the other Bonjour enabled Macs on your LAN and you appear in their Buddy list).

The Yahoo Account and the iMessage accounts do not do Video and Audio Only chats

As Screen Sharing is an Audio Only chat with a VNC connection alongside it needs a Buddy that you can Video to (as this confirms the Internet Speed is high enough). You may have to enable UPnP or Port Mapping Protocol on your router to allow the random port the VNC connection uses. (As opposed to Port Forwarding or Port triggering which will need disabling).

8:28 pm Monday; April 4, 2016

 iMac 2.5Ghz i5 2011 (El Capitan)
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb (Snow Leopard 10.6.8)
 Mac OS X (10.6.8),
 Couple of iPhones and an iPad