Office 2003 SP3 and File Formats

Remember back in March 2007 when I wrote about Office 2007 not supporting some old Word file formats?

Microsoft seems to think that this was such a good idea that they included this (and more) in Office 2003 SP3.

This Knowledgebase article entitled "Information about certain file types that are blocked after you install Office 2003 Service Pack 3" explains why this is such a "good" thing for you.

Here's a screen capture of the table of file types that are blocked from opening by default.