Microsoft regularly pushes behind-the-scenes Exchange updates and patches which can disrupt the sync process.

Keep in mind that the email sync process does not just depend on your iOS or macOS devices, it also depends on the Exchange server itself.

Select Microsoft Exchange from the list of email providers and follow the on-screen instructions to complete the process.

Then launch the app again, click on the Mail menu and select Add account.

Close the Mail App and restart your Mac.

Select your Exchange account and hit the Remove button.

Launch Apple Mail, click on the Mail menu and go to Accounts.

It seems that something’s changed in the authentication process and resetting the account fixes the problem. Many users confirmed that deleting and setting up their Exchange account did the trick. Additionally, do clean up your mail box and archive older mails locally. If this is only a bug in the iOS or macOS update package, restarting all of your devices could fix the problem. Turn off all of your iOS and iPad devices and check if your Exchange account works as intended on your Mac. Oftentimes, incoming Exchange emails appear correctly on iOS devices. Restart your Mac and check if the sync issue persists.Ĭheck if the sync glitch affects your Exchange account on iOS devices as well. If you use other Microsoft apps on your Mac, check for updates and ensure they’re up to date as well.

What to Do if Apple Mail Won’t Sync With Exchange Update Mail App and Switch Off iOS Devices Let’s see what solutions you can use to troubleshoot this problem. What’s even more confusing is that Mail shows Exchange is online and enabled, but the Exchange account log is empty. But sometimes, even a whole week can go by until Mac Mail syncs with Exchange. If you’re lucky, the two email platforms may sync every two or three few days. Apple Mail may sometimes refuse to sync with Exchange.

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