TASK

To convert an MS PowerPoint file from MAC Office 2011 (source file created on PC MSOffice) to ODP (Open Document Presentation format).

Trials and Errors

(Calibration check - PC Office 2010 opened the MAC Office 2011 file correctly and vice-a-versa)

1. Test - ODF addon for MS Office 2010 (PC)
   
   Result - Messed up text and graphics
   

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2. Test - OpenOffice 3.4.1 (MAC)
   
   Result - Lines changed from straight to angles, and text boxes overlapped
   

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3. Test - LibreOffice 3.6.2.2 (MAC)
   
   Result - Same document

Conclusion

LibreOffice (MAC) correctly produced an ODP file from a PPTX formatted file.

References

LibreOffice Website - http://www.libreoffice.org

OpenOffice Website - http://www.openoffice.org

OpenXML/ODF Translator Add-ins for Office - http://odf-converter.sourceforge.net