You have versions of the Microsoft Office programs former to Office 2007?
How To open, modify and record documents, sorters and presentations in
the new formats of file Microsoft Office Word, Excel and PowerPoint 2007.

Extract of the article on the site of Microsoft:

"do
Users from Microsoft Office Word, Excel or PowerPoint XP or 2003
—installez all the settings?our of high priorit? to leave the
site Microsoft Update before t?charger the pack of compatibilit?


By installing the pack compatibilit?our Microsoft Office
2000, Office XP or Office 2003, you can open, modify and record
files?' assistance of the new formats of file Word, Excel and
PowerPoint 2007. The pack of compatibilit?eut?lement?e utilis?n
association with Microsoft Office Word Viewer 2003, Excel Viewer 2003 and
PowerPoint Viewer 2003 to post the files enregistr?dans these new
formats. For more information on the pack to compatibilit?voir article
923505 of the Base of knowledge.

Note:: If you use
Microsoft Word 2000 or Microsoft Word 2002 for reading or?anger documents
containing of complex scripts, to see the site
http://support.microsoft.com/kb/925451 for more information on the
proc?re of correct posting of documents Word 2007 in your version of
Word.

Administrators: The MOD? of administration for
the Word converters, Excel and PowerPoint contained in the pack of
compatibilit?st available to t?chargement."