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Install the Office 2007 Compatibility Pack
3.1. Install the Office 2007 Compatibility Pack
Microsoft has changed the file format for Word and Excel documents with the release of Office 2007.
If you are using Office 2003 and encounter a Word or Excel file that you can't open, you can install the Office Compatibility Pack.
Install the Compatibility Pack
Visit the following web page at Microsoft and click the Download button to install the update:
Microsoft Office 2007 Converters
You will need to close Word, Excel, PowerPoint, and Outlook for the installation to run properly.
New file extensions
Office 2007 introduces a number of new file extensions:
Word 2007 File Extensions
- docx - Word 2007 XML Document
- docm - Word 2007 XML Macro-Enabled Document
- dotx - Word 2007 XML Template
- dotm - Word 2007 XML Macro-Enabled Template
Excel 2007 File Extensions
- xlsx - Excel 2007 XML Workbook
- xlsm - Excel 2007 XML Macro-Enabled Workbook
- xltx - Excel 2007 XML Template
- xltm - Excel 2007 XML Macro-Enabled Template
- xlsb - Excel 2007 binary workbook (BIFF12)
- xlam - Excel 2007 XML Macro-Enabled Add-In
PowerPoint 2007 File Extensions
- pptx - PowerPoint 2007 XML Presentation
- pptm - PowerPoint 2007 Macro-Enabled XML Presentation
- potx - PowerPoint 2007 XML Template
- potm - PowerPoint 2007 Macro-Enabled XML Template
- ppam - PowerPoint 2007 Macro-Enabled XML Add-In
- ppsx - PowerPoint 2007 XML Show
- ppsm - PowerPoint 2007 Macro-Enabled XML Show.