I tried the below script its working for me to get the outlook e-mail id, location of the ost file and filesize.
'Find all Outlook pst files on C and D Drives
'Pat Fiannaca
strComputer = "."
on error resume next
set wshnetwork=createobject("wscript.network")
scomputername=wshnetwork.computername
set wshnetwork=nothing
Const OverwriteExisting = True
Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\cimv2")
Set colFiles = objWMIService.ExecQuery _
("Select * from CIM_DataFile Where Extension = 'ost' AND (Drive = 'C:' OR Drive = 'D:')")
If colFiles.Count = 0 Then
Wscript.Quit
End If
'===================================================================================================================
'Create instance of Altiris NSE component
dim nse
set nse = WScript.CreateObject ("Altiris.AeXNSEvent")
' Set the header data of the NSE
' Please don't modify this GUID
nse.To = "{1592B913-72F3-4C36-91D2-D4EDA21D2F96}"
nse.Priority = 1
'Create Inventory data block. Here assumption is that the data class with below guid is already configured on server
dim objDCInstance
set objDCInstance = nse.AddDataClass ("{89fc0788-90c2-4121-8df1-c1140083c6f6}")
dim objDataClass
set objDataClass = nse.AddDataBlock (objDCInstance)
'Add a new row
dim objDataRow
set objDataRow = objDataClass.AddRow
'Set columns
For Each objFile in colFiles
objDataRow.SetField 0, objFile.Path
objDataRow.SetField 1, objFile.FileName
objDataRow.SetField 2, 1024
Next
nse.SendQueued