imessage on mac not working after apple id change

There used to be an option to 'add another email' to iMessage since installing iOS11, that option seems to have been removed. On iPhone, iPad, or iPod touch, go to Settings > Messages, then turn on iMessage. Here, tap on 'Send & Receive' as shown in the screenshot below to proceed to the next step. The new email or phone number you add is attached to your Apple ID. If you are using a Mac, make sure you are running OSX Yosemite (to check go to >About This Mac). Finally, click the drop-down box beneath 'Start new conversations from' and select the number or email address you wish to use.

Apple 6 hours ago How to Use iMessage on iPhone and iPad Without a SIM or Phone Number you must ensure that your iCloud account has been added to your Apple device, whether it is an iPad or iPhone.It is very likely that you have already login to your Apple device and added an Apple ID during activation. Scroll to the bottom and select Messages. The phone number of the second iPhone will appear on the iPad. Sign into the iMessage account on iPhone, iPad, iPod touch: Go to Settings > Messages > Send & Receive > Turn on iMessage and choose your phone number or iCloud email as your iMessage account. Apple is making it easier to share and customize your contact profile through iMessages. The simplest solution is just to deactivate iMessage for the iPad in question. Once iMessage is active, you can check your current iMessage phone number by tapping Send & Receive at the bottom of the screen and ensuring that the phone number at the top is your current number.

Click the 'iMessage' tab to see options associated with the messaging service. Add or remove your phone number in iMessage or FaceTime on your iPad, iPod touch, or Mac - Apple Support Go further down in the article for troubleshooting suggestions. In other words, you can't actually punch a number in anywhere on your iPhone, iPad, Mac, or even Apple's website. Open the Messages app and click 'Messages' in the Menu Bar, followed by 'Preferences.'. IMessage is a feature that was new in iOS 5 (available through the preinstalled Messages app) that allows you to send and receive instant messages (IMs) to others using an Apple iOS device or suitably configured Mac.

Imessage on mac not working after apple id change