If you have a valid license key, but have lost the original media, you can still download the full versions of Office 2007 directly from Microsoft:
- Microsoft Office Enterprise 2007
- Microsoft Office Professional 2007
- Microsoft Office Small Business 2007
- Microsoft Office Home and Student 2007
- Microsoft Office Standard 2007
- Microsoft Office Accounting Professional 2007
- Microsoft Office Groove 2007
- Microsoft Office OneNote 2007
- Microsoft Office Publisher 2007
- Microsoft Office Visio Professional 2007