Until you upgrade to Microsoft Office 2007, you’ll still need to view and exchange files with people using the new Office 2007 File Formats.
Microsoft Office Word 2007
• Word 2007 document (*.docx)
• Word 2007 macro-enabled document (*.docm)Microsoft Office PowerPoint 2007
• PowerPoint 2007 presentation (*.pptx)
• PowerPoint 2007 macro-enabled presentation (*.pptm)
• PowerPoint 2007 template (*.potx)
• PowerPoint 2007 macro-enabled template (*.potm)
• PowerPoint 2007 show (*.ppsx)
• PowerPoint 2007 macro-enabled show (*.ppsm)Microsoft Office Excel 2007
• Excel 2007 binary workbook (*.xlsb)
• Excel 2007 workbook (*.xlsx)
• Excel 2007 macro-enabled workbook (*.xlsm)
• Excel 2007 template (*.xltx)
• Excel 2007 macro-enabled template (*.xltm)
• Excel 2007 add-in (*.xlam)
FREE Office 2007 Tools:Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats – Open, edit, and save documents, workbooks, and presentations in Microsoft Office Word, Excel, and PowerPoint 2007 file formats.PowerPoint Viewer 2007 allows viewing full-featured presentations created in PowerPoint 97 and later versions.Visio 2007 Viewer allows viewing Visio drawings and diagrams (created with Visio 5.0, 2000, 2002, 2003, or 2007) inside Internet Explorer version 5.0 or later.