Would be great to see failures and partial failures somehow highlighted in the file originally imported. I find myself spending more and more time comparing spreadsheets to locate the exact line that was not imported correctly. I agree that I should keep a copy of what I've imported, but that is sometimes not practical to manage - especially if I'm looking at an import (with errors) that someone else started and is now no longer in the company. And generally it would make detective work afterwards a lot easier and more productive.