Conditional Formatting in Excel

[Lucas]

Why doesn't work?

Macro

Code:

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ExcelSheet es.Init
Excel.Range s=es.ws.Range("M:M")
s.FormatConditions.Delete
s.FormatConditions.Add(Excel.xlExpression @ "=ABS(L1-M1)>3")
s.FormatConditions.Item(1).Font.ColorIndex=3
s.FormatConditions.Item(1).Font.Bold=TRUE

[Gintaras]

Formats numbers bold red.

I also inserted
s.Select

[Lucas]

Inserting s.Select works.

Thanks.