Yes - I did make a backup - and one that is encrypted too.  And damned if I know what to do with it.

Can you help please?  Here's what the backup looks like in my Finder.

http://i451.photobucket.com/albums/qq238/krialynne/BTC-BackupScreensho_zps277f3cb6.jpg

And I'm using the latest version of Bitcoin-Qt for Mac.