Mac OS 9: Folders That Behave Like Package Files

I have a folder on my disk that has suddenly turned into a "package" file. I can't get it to open. Is there a way to fix this?
The Package First Aid utility on the Mac OS 9 CD is used to fix a folder that has started behaving like a package in the Mac OS 9 Finder.

To turn the "package" back into a folder:
Published Date: Feb 19, 2012