'ICS file showing show as "Free" and "Busy" Status not getting properly in outlook app

i need to send ICS file with Status Show as "Basy" or "Free" (configure based on method) using ICAL.NET 'https://github.com/rianjs/ical.net', i passed Status in CalendarEvent, web portal showing correct status but outlook app (window/mobile) is showing always "Busy" status


var e = new CalendarEvent 
        {
            Status = Status,
            Start = new CalDateTime(startDate),
            End = new CalDateTime(endDate),
            Summary = eventTitle,
        };

BEGIN:VCALENDAR
PRODID:-//github.com/rianjs/ical.net//NONSGML ical.net 4.0//EN
VERSION:2.0
BEGIN:VEVENT
DTEND:20220308T170000
DTSTAMP:20220301T074736Z
DTSTART:20220308T080000
SEQUENCE:0
STATUS:FREE
SUMMARY:Basic User - Holiday Booking
UID:cceeab8c-a9d5-43a4-adae-f784c0acefe3
END:VEVENT
END:VCALENDAR

please any have solution or other nuget packages, whose working fine, please let me know

c++sharpasp.net-mvcasp.net-coreoutlookicalendar


Solution 1:[1]

In Outlook, you need X-MICROSOFT-CDO-BUSYSTATUS header. The possible values are FREE, WORKINGELSEWHERE, TENTATIVE, BUSY, OOF.

The standard header name is TRANSP (Outlook can use it too) - the values are TRANSPARENT or OPAQUE. In the latter case, you can also set STATUS to TENTATIVE.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Dmitry Streblechenko

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