[gbeb]

I'm making a new clone of my system drive using "Backup All Files" with Smart Update (not that it really matters) and seeing the following stats:

329.13 GB evaluated
281.54 GB already up to date
22.73 GB copied

That leaves 24.86 GB unaccounted for. That's a lot of stuff. What could it be? Where could I learn what it might be?

Thanks!!