How to Open Excel 2007 Files With Office 2003

1. Visit Microsoft's online Download Center. Search for 'Microsoft Office Compatibility Pack for Word.'
2. Click on the 'Microsoft Office Compatibility Pack for Word, Excel and PowerPoint File Formats' link.
3. Click on the 'Download' link. Click on 'Save' to save the file to your computer.
4. Click on the downloaded FileFormatConverters.exe file. It should be located in the downloads file on your computer.
5. Click on 'Run' to start the installation process. Once the installation is complete, you will be able to open and edit files made in Excel 2007 in your Office 2003 suite of applications.