RELATED: How to Sync Your iMessages Across All Your Apple Devices But only phone-based accounts can message Android users over SMS.īefore closing this window, you’ll want to make sure “Enable Messages in iCloud” is enabled so that all your old messages sync to your Mac properly. You’ll want to enable this on all your devices. Using an email-based iMessage account is the same as using a phone-based one you can message anyone using iMessage, even by their phone number. At the bottom, you can choose which one you prefer to use when messaging new people. If you have two contacts, such as your Apple ID and your phone number, you can receive messages on both accounts.