ICalendar#vCalendar 1.0

VCalendar is an industry standard for exchanging calendar and appointment information. This data format is used by software on PCs, PDAs and mobile phones. iCalendar vCalendar was replaced. The file extension of vCalendar files is ". Vcs ".

VCalendar is specified, only the format of the data, without presupposing a particular method of data transmission. The data exchange can, for example files, by e -mail or wirelessly via an infrared port or Bluetooth.

VCalendar was developed with broad support from industry and 1996 with vCard, a standard for exchanging address information, published by the Internet Mail Consortium (IMC ). The development of vCalendar took place under the auspices of the Internet Engineering Task Force ( IETF), the successor to the iCalendar format published in 1998, contains numerous enhancements. Software with support for the newer iCalendar format also supports a large part of the older vCalendar format, so it is backwards compatible. Some functionalities such as recurrence rules, however, are not compatible. Similarly, for example, All day events only supports iCalendar.