'This code should show you how to access Outlook 2000 and retrieve some data. Use defaultfolder #6 and go to the message body to retrieve the line.
Do you know how to open an Excel app via vbscript?
Set appOutl = Wscript.CreateObject("Outlook.Application"

Set objSession = appOutl.GetNameSpace("MAPI"

objSession.Logon Profile_Name_Here
' 3 = "Deleted Items"
' 4 = "Outbox"
' 5 = "Sent Items"
' 6 = "Inbox"
' 9 = "Calendar"
' 10 = "Contacts"
' 11 = "Journal"
' 12 = "Notes"
' 13 = "Tasks"
' 15 = "Reminders"
' 16 = "Drafts"
' *** INBOX folder
Set MyFolder = objSession.GetDefaultFolder(6)
Msgbox MyFolder.name & ", " & MyFolder.Items.Count
' Set MyItem to the collection of items in the folder.
Set myItems = myFolder.Items
' Loop through all of the items in the folder.
For I = 1 to MyFolder.Items.Count
MsgBox MyItems(I).subject
MsgBox MyItems(I).body
Next
' *** Contacts Folder
Set MyFolder = objSession.GetDefaultFolder(10)
Msgbox MyFolder.name & ", " & MyFolder.Items.Count
Set myItems = myFolder.Items.Restrict("[MessageClass] = 'IPM.Contact'"

For I = 1 to MyFolder.Items.Count
MsgBox MyItems(I).FullName
Next