How to set the size of an Excel-file,Java created in tabbed forma

Hi all,
I'm creating an Excel-file by writing data to an outputStream in tabbed format.
My problem is : How can I set the width of the columns of that Excel-file, not the default-size?
If anyone can help, that would be very nice.
Thanks a lot,
Regards,
Tim

You can write a generic xls file containing a Macro to open and set the column widths of text or csv files. Your java program can then call this generic file to open your text files.

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