2.2.96 [RFC5545] Section 8.1 iCalendar Media Type Registration

V0001:

The specification states that the charset, method, component, and optinfo parameters are optional.

Microsoft Exchange Server 2007, Microsoft Exchange Server 2010, Microsoft Exchange Server 2013, Microsoft Exchange Server 2016, Microsoft Exchange Server 2019

Parameter

Behavior

charset

This parameter is honored on import and is set to the appropriate character set on export.

method

For both import and export, only the following values are supported: "REQUEST", "REPLY", "CANCEL", and "COUNTER" (case-insensitive). "PUBLISH" is treated the same as "REQUEST". On import, if a "text/calendar" MIME part has a method parameter with any other value, or if the method parameter is not present, the MIME part is not imported as an iCalendar entity.

component

This parameter is ignored on import. It is not set on export.

optinfo

This parameter is ignored on import. It is not set on export.

V0003:

The specification states, "This media type can contain 8bit characters, so the use of quoted-printable or base64 MIME Content-Transfer-Encodings might be necessary when iCalendar objects are transferred across protocols restricted to the 7bit repertoire. Note that a text valued property in the content entity can also have content encoding of special characters using a BACKSLASH character escapement technique. This means that content values can end up encoded twice."

Exchange 2007, Exchange 2010, Exchange 2013, Exchange 2016, Exchange 2019

Microsoft Exchange Server can import "text/calendar" MIME parts that are encoded with base64 encoding. On export, Microsoft Exchange does not encode "text/calendar" MIME parts with base64 encoding.

V0005:

The specification describes the .ics and .ifb file extensions.

Exchange 2007, Exchange 2010, Exchange 2013, Exchange 2016, Exchange 2019

Microsoft Exchange can export files with the .ics file extension but does not export files with the .ifb file extension. Microsoft Exchange does not import files with the .ics or .ifb file extensions.

V0006:

The specification describes the Macintosh file type codes "iCal" and "iFBf".

Exchange 2007, Exchange 2010, Exchange 2013, Exchange 2016, Exchange 2019

Microsoft Exchange does not import or export files with the Macintosh file type codes "iCal" or "iFBf".