Selection.Find.ClearFormatting
    Selection.Find.Replacement.ClearFormatting
    Selection.Find.Replacement.Font.ColorIndex = wdRed
    With Selection.Find
        .Text = "oldText"
        .Replacement.Text = "newText"
        .Forward = True
        .Wrap = wdFindContinue
        .Format = True
        .MatchCase = True
        .MatchWholeWord = False
        .MatchWildcards = False
        .MatchSoundsLike = False
        .MatchAllWordForms = False
    End With
    Selection.Find.Execute Replace:=wdReplaceAll