What is the code to expand excel column width in Coldfusion 8 while exporting?

Question

Am newbie to coldfusion am using ColdFusion version 8, Am export my Db recordset datas using,

<cfsavecontent variable="report">XXXXX</cfsavecontent>

<cffile action="write"  file = "#fullfile#" output="#report#" nameconflict="overwrite">

It's export fine,but I need to expand excel column width.Please Refer my attachment , I got my excel output like my attachment

Need excel like,