>>>I remember it clearly that I provided you sample code showing it is reliable with large amounts of data and the problem should be in your "modifications". What Alex was referring to was my routine not yours modified routine, no? Then "It is not reliable" refers to my routine, no?
>>>Cetin
>>
>>No.
>
>OK I believe in what your saying. Next time please explicitly indicate it.
>Cetin

What I think we can try is to split the formatting routine into two parts. First part would be to create the file only, then close Excel and the second part would be to try to apply formatting. This way we would clearly narrow the issue.