Export Exchange emails to CSV and Download attachment in powershell

Hi,

Does anyone know how to
1. Export emails to csv via Powershell directly from exchange
2. Export the attachments to a folder via Powershell directly from exchange

I can do it on powershell through outlook but not directly via exchange. I could save a lot of money on licenses!

Here is the function I used to list emails via outlook

Function Get-Outlookinbox
{
 Add-type -assembly "Microsoft.Office.Interop.Outlook" | out-null
 $olFolders = "Microsoft.Office.Interop.Outlook.olDefaultFolders" -as [type] 
 $outlook = new-object -comobject outlook.application
 $namespace = $outlook.GetNameSpace("MAPI")
 $folder = $namespace.getDefaultFolder($olFolders::olFolderInBox)
 $folder.items | 
 Select-Object -Property Subject, ReceivedTime, Importance, SenderName
 }
Get-OutlookInBox

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Thanks!