This should be a straightforward transition, but for some users, changing the time format has caused problems with event times. Apple Discussions poster Rob Tholemeier writes: "I made the changes in ...

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 ...

At first glance, your Microsoft Office Outlook calendar might seem incompatible with Apple's iCal; however, the .ics format, also known as iCalendar, is a common bond between these and many other ...

has always been an elegant program. Though it has a "subscribe" function for public calendars, it hasn't always played nicely with other devices and other calendars. This limitation forced many a user ...

If you’re a Google Calendar user, you may have had issues adding events to your calendar when someone sends them to you attached to an email in iCal format (the files usually looks like “invite.ics”).