A screenshot of making a new hard drive of all my files, since 2007.

What happens when you drag-and-drop the entire contents, from one drive to another.

730 GBs and 4 days?!  My laptop audibly kicked up a fuss.

It probably could do it, but in the same way, it’s like before you start running, you take a big punch to the stomach.  You could, but not optimally.

Instead, transfer chunks of files, a handful of GBs at a time.

Here’s how to properly back up your files.