(RFC 6321 published August 2011, subtype last updated August 2011) Type name: application Subtype name: calendar+xml Required parameters: None Optional parameters: method, component, and optinfo as defined for the text/calendar media type in [RFC5545]; charset as defined for application/xml in [RFC3023]; per [RFC3023], use of the charset property parameter with the value "utf-8" is STRONGLY RECOMMENDED. Encoding considerations: Same as encoding considerations of application/xml as specified in [RFC3023]. Security considerations: See Section 6. Interoperability considerations: This media type provides an alternative format for iCalendar data based on XML. Published specification: This specification. Applications that use this media type: Applications that currently make use of the text/calendar media type can use this as an alternative. Additional information: Magic number(s): None File extension(s): xcs Macintosh file type code(s): None specified. Person & email address to contact for further information: calsify&ietf.org Intended usage: COMMON Restrictions on usage: There are no restrictions on where this media type can be used. Author: See the "Authors' Addresses" section of this document. Change controller: IETF