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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - FILESAVE: XLSX created hyperlinks don't show up in Excel in blue"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=80040#c13">Comment # 13</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - FILESAVE: XLSX created hyperlinks don't show up in Excel in blue"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=80040">bug 80040</a>
              from <span class="vcard"><a class="email" href="mailto:philipz85@hotmail.com" title="Yousuf Philips (jay) <philipz85@hotmail.com>"> <span class="fn">Yousuf Philips (jay)</span></a>
</span></b>
        <pre>Created <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=137193" name="attach_137193" title="sample xlsx created in excel 2010">attachment 137193</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=137193&action=edit" title="sample xlsx created in excel 2010">[details]</a></span>
sample xlsx created in excel 2010

So excel has a hyperlink cell style defined in /xl/styles.xml like so.

<cellStyles count="2">
 <cellStyle name="Hyperlink" xfId="1" builtinId="8" />
 <cellStyle name="Normal" xfId="0" builtinId="0" />
</cellStyles>

And its imported into LO as 'Excel Built-in Hyperlink' cell style.</pre>
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