2003 to 2007 File Converter

You may want to open a Microsoft office 2007 document or worksheet or Microsoft PowerPoint 2007 Presentation using Microsoft office 2003. Normally you couldn't open a file which is created using Microsoft Office 2007 , using Microsoft Office 2003.
Download and install Microsoft Office Compatibility Pack which provides file converters and image filters for Microsoft Office programs, from Microsoft Office 97 to Microsoft Office 2003.
This is a free tool provide by Microsoft. Just install it and open 2007 Office file in office 2003.