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Ask Different is a question and answer site for power users of Apple hardware and software. It's 100% free, no registration required. offers email/contacts/calendar similar to Google. With my iPhone and iPad (iOS 6.1.3) I can connect to by setting up an Exchange account. It uses the Exchange ActiveSync protocol. On OS X Mountain Lion I can choose an Exchange server in the Mail, Contacts & Calendar settings tab, but it does not connect when I put in my login.

Is there a way to connect to via Exchange ActiveSync to access email, contacts and calendar?

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Unlike iOS, the Mail app in OS X does not currently support Exchange ActiveSync.

Exchange ActiveSync is different from the standard Exchange format. A mail client that supports Exchange may not support EAS.

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True, it's not working ... :) –  Martin Preusse Aug 6 '13 at 19:45
For Apple to support Exchange ActiveSync on iOS but not on Mac OS is a giant WTF. –  DeepSpace101 Aug 2 '14 at 16:52

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