ICS files will not open with Default Calendar (Outlook)

Hello all,


I've recently upgraded my 2017 Macbook Pro to OS Monterey 12.4. I've set my calendar preferences to use Outlook as the default calendar app. However, ICS files are still being opened by the "CalandarFileHandler".



Please let me know if anyone has found a solution to allow new ICS files to be opened with Outlook by default. Thanks in advance.

MacBook Pro

Posted on Jul 6, 2022 09:49 AM

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Posted on Jul 6, 2022 10:10 AM

Of course, I fixed this myself after posting. For anyone struggling with the same issue...


  1. Right-click on any downloaded ICS file and hit "get info"
  2. Scroll down to the section titled "Open with"
  3. Select your default calendar and then hit "Change all"


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ICS files will not open with Default Calendar (Outlook)

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