Short version of what I'm trying to do is sync my Outlook files from local hard drive to my network drive at work, and I want to try and use robocopy (and a Scheduled Task) to do this nightly. At work ...

I'm trying to figure out how to speed up my Robocopy file copies. My network is two Windows 10 PCs with Gigabit network cards, connected via a Gigabit switch. I've run the tests (A., B., C.) below.