Accountsd CPU usage high in macOS Catalina

I have mail open and and my CPU usage is between 111- 300% int he activity monitor. It is extremely slow, and bogs down the rest of my machine. The fan is on constantly. I have attempted to Force Quit, Reindex, Remove Accounts, etc.


Anybody else seeing this?


[Re-Titled by Moderator]

MacBook Pro Retina

Posted on Oct 22, 2019 5:31 PM

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Question marked as Top-ranking reply

Posted on Dec 1, 2019 5:06 AM

So I finally figured out the issue.


Mail is sending some data to iCloud. If you notice with your Documents and Desktop folders, Catalina makes it so saving to iCloud is a default. The same goes for Mail settings.


  1. Settings>Apple ID>iCloud Drive (Options>
  2. Uncheck Desktop and Documents folders.
  3. Uncheck Mail


Not only is Mail working as it should, accountsd is using substantially less CPU %.


Anyway, this is what worked for me for now.


399 replies

Sep 29, 2020 3:03 AM in response to Tomas Vrabec

Trying to be fun, I guess, but can't find it in any of the words. 1) the problem is serious; 2) seems you do not understand that life exists beyond apple, even using a mac, e.g., Thunderbird, Outlook, etc.; 3) I'm just explaining that the problem is more general, not only related to the configuration of the accounts in apple Mail; 4) I am associate professor in a computer science department of a university (h-index 34 and almost 8000 citations in Google Scholar), expert in neural networks and complex systems, so you do not have to tell me what internet, a process or a daemon it is

Oct 5, 2020 12:36 AM in response to latinca

Hi I had this issue in the past al lot and was so happy it was solved after running the combo updater to 10.5.6. All my email account were accepted and it worked great for several months. Yesterday just accountsd was continually using over 500%. My mail app was not causing the high load as in the past. So now it’s only accountsd.


What a nightmare this and what are they doing at Apple. You pay a lot for a nice high end user machine like the 16” and accountsd makes it completely useless.



:-( :-( :-(


[Edited by Moderator]

Oct 5, 2020 6:13 PM in response to NJFirefighter

So this just happened to me but the only problem is that i have never used or set up a MAIL account and iCloud is off. After reading everyones replies I’m still confused because I’m not using any of those programs. Disconnecting internet dropped cpu usage from 300% down to 50%. Something was also downloading a few gigs in the background. So frustrating.

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Accountsd CPU usage high in macOS Catalina

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