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Calendar is a personal calendar application made by Apple Inc. that runs on both the OS X desktop operating system and iOS mobile operating system. It offers online cloud backup of calendars using Apple's iCloud service, or can synchronise with other calendar services, including Google Calendar and Microsoft Exchange Server. The OS X version was known as iCal before the release of OS X Mountain Lion in July 2012. Originally released as a free download for Mac OS X v10.2 on September 10, 2002, it was bundled with the operating system as iCal 1.5 with the release of Mac OS X v10.3. iCal was the first calendar application for OS X to offer support for multiple calendars and the ability to intermittently publish/subscribe to calendars on WebDAV servers. Version 2 of iCal was released as part of Mac OS X v10.4, Version 3 as part of Mac OS X v10.5, Version 4 as part of Mac OS X v10.6, Version 5 as part of Mac OS X v10.7, Version 6 as part of OS X v10.8, Version 7 as part of OS X v10.9, and Version 8 as part of OS X v10.10. Apple licensed the iCal name from Brown Bear Software, who have used it for their iCal application since 1997. iCal's initial development was quite different from other Apple software: it was designed independently by a small French team working "secretly" in Paris, led by Jean-Marie Hullot, a friend of Steve Jobs. iCal's development has since been transferred to Apple US headquarters in Cupertino. ==Features== *It tracks events and appointments, allows multiple calendar views (such as calendars for "home", "work", and other calendars you create) to quickly identify conflicts and free time. *It is integrated with iCloud, so calendars can be shared and synced with other devices, such as PCs, iPhones, and iPod touch, over the internet. You can also share calendars via the WebDAV protocol. Google now supports WebDAV for Google Calendar making iCal easily configurable. *Users can subscribe to other calendars so they can keep up with friends and colleagues, and other things such as athletic schedules and television programs. *iCal allows notification of upcoming events either on screen, by email, SMS, or Pager. *iCal supports the use of the iCalendar format (). It does not support the older vCalendar 1.0 format. () 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Calendar (application)」の詳細全文を読む スポンサード リンク
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