Microsoft Office 2003 Service Pack 3

[zeonmx]

Microsoft

[SheLLniX]

After you install Office 2003 SP3, some Microsoft Office Excel 2003, Microsoft Office PowerPoint 2003, Microsoft Office Word 2003, and Corel Draw (.cdr) file formats are blocked. By default, these file formats are blocked because they are less secure. They may pose a risk to you.

Information about certain file formats that are blocked after you install Office 2003 Service Pack 3

http://support.microsoft.com/kb/938810#appliesto