vba2

   Dim myStoryRange As Range


        For Each myStoryRange In ActiveDocument.StoryRanges
        With myStoryRange.Find
            .Text = "Text to find to replace goes here"
            .Replacement.Text = "And the replacement text goes here"
            .Wrap = wdFindContinue
            .Execute Replace:=wdReplaceAll
        End With
        Do While Not (myStoryRange.NextStoryRange Is Nothing)
            Set myStoryRange = myStoryRange.NextStoryRange
            With myStoryRange.Find
                .Text = "Text to find to replace goes here"
                .Replacement.Text = "And the replacement text goes here"
                .Wrap = wdFindContinue
                .Execute Replace:=wdReplaceAll
            End With
        Loop
    Next myStoryRange