How to open Microsoft Office 2007 documents using earlier versions?

Everybody is switching to Microsoft Office 2007 but it's too costly for a student to purchase his/her own copy. So we stick to the earlier versions of MS Office, i.e. 2003, 2000. But a problem arises when we want to open a MS 2007 document but we only have the earlier versions.

Here's how to:

1. Download the Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats.
2. Follow the installation instruction and your done!

System Requirements

Supported Operating Systems: Windows 2000 Service Pack 4; Windows Server 2003; Windows Vista; Windows XP Service Pack 1; Windows XP Service Pack 2

Recommended Microsoft Office programs:

• Microsoft Word 2000 with Service Pack 3, Microsoft Excel 2000 with Service Pack 3, and Microsoft PowerPoint 2000 with Service Pack 3
• Microsoft Word 2002 with Service Pack 3, Microsoft Excel 2002 with Service Pack 3, and Microsoft PowerPoint 2002 with Service Pack 3
• Microsoft Office Word 2003 with at least Service Pack 1, Microsoft Office Excel 2003 with at least Service Pack 1, and Microsoft Office PowerPoint 2003 with at least Service Pack 1
• Microsoft Office Word Viewer 2003
• Microsoft Office Excel Viewer 2003
• Microsoft Office PowerPoint Viewer 2003