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On the surface, it does everything you’d want it to do.
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It’s built into every Mac, and it syncs with iCloud, Google Calendar, Yahoo, Exchange, and general CalDAV servers. Of all the calendar apps on macOS, Apple’s built-in calendar is probably the most widely used. So let’s get down to it: what’s the best calendar app for the Mac? Apple’s Calendar I keep all my tasks in a separate app, so I only use it for appointments. I have my way of managing my calendar, and that will undoubtedly skew my opinions. Like I always say when I write articles like this, this is purely based on opinion for me. Others only have their official meetings.
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Some people like to manage all of their tasks from it. I know that everyone uses their calendar in different ways.
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The easiest way to configure Mail, Contacts or Calendars on a Mac is via our automatic configuration tool. If you use your normal password or your Fastmail two step verification password on an external account, syncing to an external service won't work and you will see a password error. Mac Calendar needs its own app password to access your information.
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Previous versions of OS X are very similar, but what you see may not exactly match the screenshots below. The instructions and screenshots in this setup guide are for Mac OS X 10.11 (El Capitan).
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