vCalendar - show as (Free/Busy/Tentative/Out of Office)

outlook calendar vcalendar
user97115 picture user97115 · Apr 28, 2009 · Viewed 15.6k times · Source

I sent a vCalendar message to Outlook which results in a new Event in Outlook Calendar. How to set "Show As" field? (Free/Busy/Tentative/Out of Office)

Answer

jalperin picture jalperin · Feb 23, 2011

I saw this line in the .ics file created by Outlook 2010

X-MICROSOFT-CDO-BUSYSTATUS:FREE

so it looks like Microsoft has "extended" the vcal spec to suit their purposes. I can confirm that adding that line does work when a feed is viewed in Outlook and seems to cause no harm when consumed by the iPhone's calendar app.

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