2.2.56 [RFC5545] Section 3.8.1.3, Classification

  • Article

V0094:

The specification states that non-standard property parameters can be specified on the CLASS property.

Microsoft Office Outlook 2007, Microsoft Outlook 2010, Microsoft Outlook 2013, Microsoft Outlook 2016, Microsoft Outlook 2019

Outlook does not export non-standard property parameters on the CLASS property, and ignores all parameters on the CLASS property on import.

V0095:

The specification states that the CLASS property can be specified within the VEVENT, VTODO, or VJOURNAL components.

Office Outlook 2007, Outlook 2010, Outlook 2013, Outlook 2016, Outlook 2019

Outlook only exports the CLASS property within VEVENT components. On import, CLASS properties in any component other than a VEVENT component are ignored.

V0096:

The specification lists the possible values for the CLASS property as "PUBLIC", "PRIVATE", "CONFIDENTIAL", iana-token, or x-name.

Office Outlook 2007, Outlook 2010, Outlook 2013, Outlook 2016, Outlook 2019

On export, Outlook can set the following values of the CLASS property: "PUBLIC", "PRIVATE", "CONFIDENTIAL", and "X-PERSONAL".

On import, Outlook imports the first CLASS property with a value of "PUBLIC", "PRIVATE", "CONFIDENTIAL", or "X-PERSONAL" (case-insensitive). If no such CLASS property exists, Outlook treats the value of CLASS as "PUBLIC".