Tom

If xyz is a variable you might just change its value to something else while
calling the second macro. For example:

Sub Macro1()
Dim abc As String
abc = "Hello world!"
Call Macro2(abc)
End Sub

Sub Macro2(ByVal xyz As String)
MsgBox xyz
End Sub

--
Best regards
Robert, Excel MVP
Author of RibbonX: Customizing the Office 2007 Ribbon:
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