2.1.3.1.1.20.27 Property: X-ALT-DESC
RFC Reference: N/A
Number of Instances Allowed: 0+
Format: Text ([RFC2445] section 4.3.11)
Brief Description: Provides an alternate format for the DESCRIPTION property (an HTML body).
Importing to Calendar objects
If the FMTTYPE parameter is 'text/HTML', then the HTML SHOULD<204> be converted to encapsulated RTF as specified in [MS-OXRTFEX] and stored in PidTagRtfCompressed, as specified in [MS-OXRTFCP].
If the FMTTYPE parameter is absent or undocumented, then the X-ALT-DESC property SHOULD be ignored.
Exporting from Calendar objects
PidTagRtfCompressed SHOULD<205> be converted to HTML and exported as an X-ALT-DESC property with a FMTTYPE parameter of 'text/HTML'.