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2.2.74 [RFC5545] Section 3.8.3.4 Time Zone Offset To

V0144:

The specification states that non-standard property parameters can be specified on the TZOFFSETTO ([MS-OXCICAL] section 2.1.3.1.1.19.2.5) property.

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

Microsoft Exchange Server exports no parameters on the TZOFFSETTO property. On import, Microsoft Exchange ignores all parameters on the TZOFFSETTO property.

V0145:

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

Exchange 2007, Exchange 2010, Exchange 2013, Exchange 2016, Exchange 2019, Exchange Server Subscription Edition

Microsoft Exchange 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, Microsoft Exchange fails to import the iCalendar object.

V0146:

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

Exchange 2007, Exchange 2010, Exchange 2013, Exchange 2016, Exchange 2019, Exchange Server Subscription Edition

On import, Microsoft Exchange attempts to approximate the value of TZOFFSETTO properties that do not conform to the ABNF, as specified in [RFC5545] section 3.8.3.4. If the value cannot be approximated, Microsoft Exchange fails to import the iCalendar object.