The operating system for Apple's Mac computer features a built-in calendar application known as iCal. Using iCal, you can create multiple calendars to keep track of your appointments, schedules and ...

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An open standard file format originally introduced in 1998, iCal stores calendar information in a format that's easily shared between applications, both calendar and apps such as Microsoft Excel. The ...

When users install third-party calendar software, such as Entourage, the installation process may displace iCal as the the default for accepting invitations and other calendar-related functions. This ...

My five-year-old iPod can sync with iCal, and the iPhone/iPod touch have had this capability from day one. MobileMe took this capability a bit further by syncing the calendar application on the iPhone ...