2.2.125 [RFC5546] Section 3.3.1 PUBLISH

V0279:

The specification describes the use of PUBLISH with VFREEBUSY components.

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

Outlook does not export VFREEBUSY components. Outlook ignores VFREEBUSY components on import. For PUBLISH-type iCalendars objects, this is imported as an empty calendar.