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I am trying to convert an excel file which has account no which is 16 digits in lenth into csv file. The issue i am facing is that special characters (??) keeps getting prefiex into this account no when i open the csv file

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A data sample of "before" and "after" might be helpful. – teylyn Feb 25 '13 at 3:43
Have you checked the CSV with a normal text editor (or HEX editor) to check the real content. – Robert Ilbrink Feb 25 '13 at 9:26

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