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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - Pivot table: saving this ODS as XLSX produces a file that makes Excel warn and delete pivot table"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=124651">124651</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Pivot table: saving this ODS as XLSX produces a file that makes Excel warn and delete pivot table
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>6.2.2.2 release
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>UNCONFIRMED
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Calc
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>libreoffice-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>mikekaganski@hotmail.com
          </td>
        </tr></table>
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        <pre>Created <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=150658" name="attach_150658" title="A simplest pivot table ever">attachment 150658</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=150658&action=edit" title="A simplest pivot table ever">[details]</a></span>
A simplest pivot table ever

Saving this ODS as XLSX produces a file that makes Excel 2016 warn:

<span class="quote">> We found a problem with some content in "0group.xlsx". Do you want us to recover as much as we can? If you trust the source of this workbook, click Yes.</span >

and then delete pivot table:

<span class="quote">> Removed Feature: PivotTable report from /xl/pivotTables/pivotTable1.xml part (PivotTable view)</span >

Adding "name" attribute equal to empty string to
/pivotTableDefinition/dataFields/dataField in xl/pivotTables/pivotTable1.xml
makes Excel consume the file normally.

Looks like a bug in Excel, since ECMA-376 Part 1 defines CT_DataField's "name"
attribute to be optional.

Tested with Version: 6.2.3.1 (x64)
Build ID: 9ba025bafb03b962c34687cf87806cc03a3a7436
CPU threads: 12; OS: Windows 10.0; UI render: GL; VCL: win; 
Locale: ru-RU (ru_RU); UI-Language: en-US
Calc: CL</pre>
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      </p>


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