Connect-MsolService

$TStamp = $(get-date -f MM-dd-yyyy_HH_mm_ss)

$Devices = Get-MsolDevice -All -ReturnRegisteredOwners -IncludeSystemManagedDevices
$DeviceInfo = @()

foreach ($Device in $Devices) {
    $DeviceInfo += [PSCustomObject]@{
        "DisplayName" = $Device.DisplayName
        "DeviceTrustType" = $Device.DeviceTrustType
        "DeviceTrustLevel" = $Device.DeviceTrustLevel
        "DeviceOS" = $Device.DeviceOsType
        "DeviceVersion" = $Device.DeviceOsVersion
        "RegisteredOwner" = $($Device.RegisteredOwners)
        "LastLogon" = $Device.ApproximateLastLogonTimestamp
        "LastDirSync" = $Device.LastDirSyncTime
        "DeviceID" = $Device.DeviceId
        "ObjectID" = $Device.ObjectId
    }
}
$DeviceInfo | Export-Csv -NoTypeInformation c:\temp\"Device Info - $TStamp.csv"