Apple Mail not opening after macOS 15.4 update

I keep getting the spinning beach ball and I've tried all the remedies I can find online - safe mode etc. Nothing works. My online iCloud Mail is fine as is the iPhone. I don't know how to re-install the Mail app? Nor do I understand how to re-install the entire system (it's been a long time since I've had consider this)


[Re-Titled by Moderator]

Mac Studio (2022)

Posted on Apr 9, 2025 10:32 PM

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4 replies

Apr 12, 2025 8:18 PM in response to Owl-53

Thx PRP_53

I just tried this exactly as you said but to no avail.

In my chat with Apple yesterday we did all that stuff from running in Safe Mode up to re-installing the macOS 15.4.

I might have to get back to them. It’s only on my Apple account because we also set up my wife as another user and Mail opened up.

I’ve had a few thoughts though:

1. I have emails going back to 1995

2. I have over 18000 emails in several Mailboxes.

Not sure if it’s relevant?


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Apple Mail not opening after macOS 15.4 update

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