2.2.76 [RFC5545] Section 3.8.3.4 Time Zone Offset To

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V0151:

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

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

Outlook exports no parameters on the TZOFFSETTO property. On import, Outlook ignores all parameters on the TZOFFSETTO property.

V0152:

The specification states that the TZOFFSETTO property MUST be specified in a VTIMEZONE component.

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

Outlook exports exactly one TZOFFSETTO property on each STANDARD and DAYLIGHT subcomponent of the VTIMEZONE component.

On import, if a STANDARD or DAYLIGHT subcomponent is missing the TZOFFSETTO property, Outlook attempts to approximate the value. If the value cannot be approximated it is ignored.

V0153:

The specification uses ABNF notation to describe the format of the TZOFFSETTO property.

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

On import, Outlook attempts to approximate the value of TZOFFSETTO values that do not conform to the ABNF, as specified in [RFC5545] Section 3.8.3.3. If the value cannot be approximated, it is ignored.