Microsoft Office Compatibility Pack. Open your 2007 document in Office 2003. Membuka Dokumen 2007 di office 2003

Users of the Microsoft Office XP and 2003 programs Word, Excel, or PowerPoint—please install all High-Priority updates from Microsoft Update before downloading the Compatibility Pack.

By installing the Compatibility Pack in addition to Microsoft Office 2000, Office XP, or Office 2003, you will be able to open, edit, and save files using the file formats in newer versions of Word, Excel, and PowerPoint (Membuka, mengedit, menyimpan Microsoft office diatas 2003 di office 2003). The Compatibility Pack can also be used in conjunction with the Microsoft Office Word Viewer 2003, Excel Viewer 2003, and PowerPoint Viewer 2003 to view files saved in these new formats.

Download link: http://www.microsoft.com/downloads/en/confirmation.aspx?FamilyId=941B3470-3AE9-4AEE-8F43-C6BB74CD1466&displaylang=en

My Experience:
With this software wee don't need to install Microsoft Office 2007, we can open Microsoft Office 2007 document in Microsoft Office 2003. :)