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I have been having a bunch of email problems and want to start over. I have deleted all the IMAP accounts from Mail. What other files do I need to delete, hidden and otherwise, to make Mail (and only Mail) just like a clean install?

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The following directories should be empty:

  • ~/Library/Mail
  • ~/Library/Mail Downloads
  • ~/Library/Application Support/Mail
  • ~/Library/Caches/Mail
  • ~/Library/Caches/

The following files should be removed:

  • ~/Library/Preferences/*
  • ~/Library/Saved Application State/
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Tried this, but it does not work for me to get of rid of my problem with Mail Default Reader preference selection. – user18723 Feb 14 '12 at 15:51
Then maybe it's better to ask a new question describing your issue. Screenshots may help as well. – patrix Feb 14 '12 at 17:52
I tried this and now when I open mail after add an account it sits there doing nothing. It doesn't go get my mail from the server. – Andy Arismendi Jan 14 '15 at 18:29
The solution was aimed at OS X Lion, things may have changed in the meantime. If deleting the additional file listed in the other answer doesn't solve your problem, it might be better to ask a new question using the Ask Question link at the top. Please add a link/reference to this question here. – patrix Jan 14 '15 at 18:41

In addition to the folders mentioned by Patrix, I discovered that Apple Mail (at least the OS X 10.9 Mavericks version) is using another folder, at:


After I had tried to do a clean restart of Mail by disabling (re-naming) all the folders that I thought that it was using (and having done a Force-Quit of the process "cfprefsd" in my username, to further reset caches), my Mail froze on trying to start up.

When I also disabled the folder in Library/Containers, the Mail application was able to start up.

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Which OS X version are you using? – patrix Jan 30 '14 at 12:58

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