Mail opens with a blank message that can't be deleted on Mac mini

Mail opens with a blank message that can't be deleted


[Re-Titled by Moderator]

Original Title: mail opens with blank message

Mac mini, macOS 15.5

Posted on Jul 14, 2025 9:39 AM

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Question marked as Top-ranking reply

Posted on Jul 29, 2025 11:32 AM

Based on your description, I’m not certain if I share your issue, but it’s possible.


Blank windows kept appearing every few minutes. They wouldn’t close, and they were empty. All I could do was hide them.


This behavior started when I sent a humongous email. I suspected this was the problem, so I tried to delete it, but I couldn’t find it in Drafts.


I quit Mail, but when I reopened it, the windows started popping up again. I restarted my Mac, but it didn’t help. I used the Atl key modifier to close all windows at once, and all of them closed, except for the irritating blank ones.


I resolved my dilemma by erasing the substantial but unsent message that had eluded me in the Drafts folder. To locate it, I utilized the search feature of Mail. I looked for the email address of the intended recipient, but any keyword would have been effective.


Once I deleted this email, my problem and the pesky pop-ups disappeared.



Configuration details

I sent the email from a Gmail account.

MacBook Pro using Sequoia 15.5

Mail Version 16.0 (3826.600.51.1.1)

9 replies
Question marked as Top-ranking reply

Jul 29, 2025 11:32 AM in response to jarrettb40

Based on your description, I’m not certain if I share your issue, but it’s possible.


Blank windows kept appearing every few minutes. They wouldn’t close, and they were empty. All I could do was hide them.


This behavior started when I sent a humongous email. I suspected this was the problem, so I tried to delete it, but I couldn’t find it in Drafts.


I quit Mail, but when I reopened it, the windows started popping up again. I restarted my Mac, but it didn’t help. I used the Atl key modifier to close all windows at once, and all of them closed, except for the irritating blank ones.


I resolved my dilemma by erasing the substantial but unsent message that had eluded me in the Drafts folder. To locate it, I utilized the search feature of Mail. I looked for the email address of the intended recipient, but any keyword would have been effective.


Once I deleted this email, my problem and the pesky pop-ups disappeared.



Configuration details

I sent the email from a Gmail account.

MacBook Pro using Sequoia 15.5

Mail Version 16.0 (3826.600.51.1.1)

Aug 3, 2025 11:23 AM in response to jarrettb40

PROBLEM SOLVED! Following the suggestion to delete outbox messages others have reported, I went to each of three mail accounts and mercilessly deleted a lot of garbage I did not realize existed. The Mail information column on the left has rows that don't indicate a message count. For example "Archive". CLEARING ONE OR MORE OF THOSE ROWS FIXED THE PROBLEM. Thanks to MichelD2 for engaging this issue.

Jul 30, 2025 11:23 AM in response to MichelD2

Thanks MichelD2 for the suggestion. I use an uncommon setup to get to an ancient printer (HP D4360). Its driver is incompatible with my new mac mini so it sits in a 2010 iMac. I use Bluetooth to transfer files from my mac mini. Infrequently, the transfer crashes, but only on a pdf. This happened just before the blank file problem. I'll do some looking. Fortunately I still have the subject file. Thanks again.

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Mail opens with a blank message that can't be deleted on Mac mini

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