VBA Save all Operations

Sub SaveOP()

Dim OP As Operation
   Dim OPTech As Technology
   Dim OPN As String
   
   For Each OP In Document.Operations
       If OP.Grouped = True Then
           Set OPTech = OP.Technology
           OPN = OP.Name
           OPN = Replace(OPN, "*", "_")
           OPN = Replace(OPN, "/", "_")
           OPTech.Save ("c:\Temp\" & OPN & "_" & OP.Key & ".prc")
       End If
   Next
   Set OP = Nothing
   Set OPTech = Nothing

End Sub