Sub test_mfc()
Dim ws As Worksheet, rng As Range
For Each ws In Worksheets
Set rng = ws.UsedRange
rng.FormatConditions.Delete
rng.FormatConditions.Add Type:=xlCellValue, Operator:=xlEqual, Formula1:="21,005"
rng.FormatConditions(1).Interior.ColorIndex = 36
rng.FormatConditions.Add Type:=xlCellValue, Operator:=xlEqual, Formula1:="21,004"
rng.FormatConditions(2).Interior.ColorIndex = 39
rng.FormatConditions.Add Type:=xlCellValue, Operator:=xlEqual, Formula1:="21,003"
rng.FormatConditions(3).Interior.ColorIndex = 28
Next
End Sub