Best Way to Transfer Large Files in Windows

Question

I often have to transfer large files >50GBs sometimes >100GBs between drives both internal and external during backups of our networks email servers. What is the best method of

Answer 1

For free, I use SyncToy (from Microsoft). That way if something fails it doesn't abort the whole transfer.

The next best for non-repetitive tasks IMHO is XCopy.