Quote - There's another strange thing that's happening. When I first saved each K4 figure after morphing their faces the way I wanted them to look with Morph++, the file was always between 4-8MB.  Then after reading what medzinatar told me about unchecking the "use external binary morph targets", I saved each one again to a different folder, but they're all around 70-80MB now.

The 4-8 MB CR2 files are consistent with using external morphs.  What you may not have noticed is that there was a 40-70 MB PMD file created along the CR2, so the increase for total is not that much.

If you have need to preserve some disk space, you can use compression option in General Preferences-->Misc.  The new files saved will be CRZ and PZZ dependings on what you are saving.

I do not use the compression on work in progress on off chance needing to hand edit.  It is just to save on step, they can be easily decompressed.