.xls file generated from php-excel not opening on iphones and android phones
<p>I have used the php-excel plugin(<a href="http://code.google.com/p/php-excel/" rel="nofollow">http://code.google.com/p/php-excel/</a>) to generate a .xls
file from mysql database table using php and it opens fine on PC but it doesn't open on 
andriod phones,iphones,ipad with the message that unable to open the document.</p>

<p>Please help me rectify the problem.</p>
