Change Calendar - https://support.microsoft.com/en-us/kb/2842288 - Show details


$LiveCred = Get-Credential


$Session = New-PSSession -ConfigurationName Microsoft.Exchange-ConnectionUri https://ps.outlook.com/powershell/ -Credential $LiveCred -Authentication Basic -AllowRedirection


Import-PSSession $Session


Set-CalendarProcessing -Identity testroom -AddOrganizerToSubject $true -DeleteComments $false -DeleteSubject $false


Remove-PSSession $Session (When finished)