Sub GetALLEmailAddresses()

Dim objFolder As MAPIFolder
Dim strEmail As String
Dim strEmails As String
Dim objDic As Object
Dim objItem As Object
Dim objFSO As Object
Dim objTF As Object
Set objDic = CreateObject("scripting.dictionary")
Set objFSO = CreateObject("scripting.filesystemobject")
Set objTF = objFSO.createtextfile("C:\users\leon\emails.csv", 2)
Set objFolder = Application.ActiveExplorer.CurrentFolder

For Each objItem In objFolder.Items
If objItem.Class = olMail Then
strEmail = objItem.SenderEmailAddress
If Not objDic.Exists(strEmail) Then
objTF.writeline strEmail
objDic.Add strEmail, ""
End If
End If
Next
objTF.Close
End Sub