AFAIK robocopy doesn't do delta-sync of file contents, only of a group of files. So if I want to copy a 50GB file where 10MB has changed, it'll still copy the w

AFAIK robocopy doesn't do delta-sync of file contents, only of a group of files. So if I want to copy a 50GB file where 10MB has changed, it'll still copy the whole 50GB again. I would love to be wrong.