I have Macbook Pro 15" Retina display. I recently upgraded to macOS Sierra from El Capitan. After upgrading, I am no longer able to open my Notes application.

I have important data on Notes; how can i recover or can fix this issue ?

Please check it out and please help me what should i do. Thanks

  • how to update it ? can't able to find notes on apple apps store. – Chirag Sep 25 '16 at 17:40

I had an old mail account which doesn't work any more, but in the System Preferences -> Internet Accounts preference pane in the Use With list Notes were switched on for this account. After I turned it off I was able to launch Notes.

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You have an mail account that is not working because of wrong password or something like that. You have to delete this account in Accounts from Mail menu. I had the same problem.

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  • The question is about Notes, not Mail. – Allan Oct 10 '16 at 13:58
  • I had the same problem 5 minutes ago with Notes. I deleted the wrong mail account and now Notes is working – oscar Oct 10 '16 at 14:03
  • before that, I click the option "Activate the account "In my Mac" in Preferences from Notes menu. I am translating to English because I have Spanish version. I'm sorry, if you read any differences. – oscar Oct 10 '16 at 14:09

I had the same issue. I went into System Preferences/iCloud and turned off Notes and turned it back on. I was then able to use the Notes app with no problem.

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  • I tried it, and still it's crashing :( – Chirag Sep 25 '16 at 17:41

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