2.2.62 [RFC5545] Section 3.8.1.9, Priority

V0107:

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

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

Outlook does not export or import any parameters on the PRIORITY property.

V0108:

The specification states that the PRIORITY property can be specified within VEVENT or VTODO components.

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

Outlook exports PRIORITY only on VEVENT components. On import, Outlook ignores PRIORITY outside of VEVENT components.

V0109:

The specification states that the value of PRIORITY is specified as an integer in the range of zero to 9, with zero being an undefined priority, 1 being the highest priority, and 9 being the lowest priority.

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

Outlook only exports a value for PRIORITY of 1, 5, or 9. On import, Outlook can import any value between 1 and 9, inclusive. Any other value is ignored.

V0110:

The specification states that a client with a three-level priority scheme of "HIGH", "MEDIUM", and "LOW" is mapped as follows: 1-4 is "HIGH", 5 is "MEDIUM", and 6-9 is "LOW".

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

Outlook implements a three-level priority scheme and conforms to this statement.

V0111:

The specification describes how to implement a priority scheme of "A1", "A2", "A3", "B1", "B2", ..., "C3".

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

Outlook does not implement this priority scheme.