What does iCloud sync in Messages do? I'd have thought that it was a way of ensuring that messages on one of my devises appear on the others, but that's not how it works. For example if I have Messages off for a bit on my Mac, none of the messages sent or received on my other devices ever show up in Messages on my Mac. So "sync" must be doing something else. What is that and what is accomplished by enabling enabling it? What would happen if I disabled it?

  • You're interpreting what it should do correctly, it must not be operating properly on your device.
    – Ezekiel
    Jan 9 at 18:36
  • In the Messages preferences pane, select the "iMesage" tab and make sure the account is enabled and it's synced to iCloud. Click on the "Sync Now" button. I've had Messages on my Mac "off" for about a week. I opened it and all messages were there. Try this to see if it gets you back in sync
    – Allan
    Jan 9 at 20:36
  • @Allan Yeah I tried that. I'll try waiting. Apple seems religiously opposed to providing sync status of any kind, which has really undermined the UX for their cloud stuff. It could be syncing for all I know.
    – orome
    Jan 9 at 21:20
  • The sync status appears in the lower left of main window, at the bottom of the messages list on macOS
    – Ezekiel
    Jan 10 at 0:45
  • Are your "other devices" (iPhones??) set to forward text messages to your Mac. And with Messages enabled in iCloud settings? Do messages sync between your "other devices"?
    – Gilby
    Jan 10 at 2:03


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