Sync Calendar with OS X

OS X provides built-in CalDAV support. To connect to your CalDAV calendar go to System Preferences and open Internet Accounts:

In OS X open System Preferences and go to Internet Accounts

In the Internet Accounts dialog select Add Other Account option:

In Internet Accounts dialog select Add Other Account

In the Choose an account type dialog select Add CalDAV account option and select Create:

In the Choose an account type dialog select Add CalDAV account option.

Fill in the connection settings. In the User Name and Password fields provide your credentials. Finally select Sign In.

It is strongly recommended to use SSL connection to secure your data and credentials.

Specify the complete CalDAV calendar URL in the Server Address field. In the User Name and Password fields provide your windows domain credentials.