If you can’t send or receive messages on your Mac

Find out what to do if you can’t send or receive messages, or you get an alert when you send a message with Messages on your Mac.

Try these steps first

After trying each step below, try to send a message again. 

If you see a "This user is not registered with iMessage" alert

If you try to send a message but get an alert stating that the person isn’t registered with iMessage, the message is trying to be sent using SMS/MMS. Make sure Text Message Forwarding is set up and your iPhone is turned on.

If your contacts see your email instead of your phone number

If you can send messages but your contacts see your email address instead of your phone number, make sure you're signed in to iMessage with the same Apple ID on all your devices. Find out how to add your phone number to Messages on your Mac.

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