Enable office365 auto-expanding archiving

Connect to your account from powershell:

$UserCredential = Get-Credential

$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection

Import-PSSession $Session -DisableNameChecking



HABILITAR EXPANSIÓN AUTOMÁTICA DE ARCHIVADO:

Enable-Mailbox <user mailbox> -AutoExpandingArchive

COMPROBAR QUE ESTA ACTIVADO, TIENE QUE DEVOLVER TRUE:

Get-Mailbox <user mailbox> | FL AutoExpandingArchiveEnabled