.htaccessファイル内に以下のように記述する
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AddHandler image/gif .gif
AddHandler image/jpeg .jpg
AddHandler image/png .png
AddHandler text/html .html .htm
AddHandler text/css .css
AddHandler cgi-script .cgi .pl
AddHandler application/x-javascript .js
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AddType application/msexcel .xls
AddType application/msexcel .csv
AddHandler application/msexcel .csv
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