It's like Time Machine on steroids
Very efficient with space, only backs up what has changed.Keeps as much or as little as you want going back as far as you want.Shared backup between computers - and duplicate data doesn't increase space. (Requires multiple licenses though)Excellent support.Compresses data and deduplicates it, 10 copies of the same file, take up only as much space as one copy. Or less due to compression.
Clear out unnecessary clutter to free up space.
Extract your iCloud backup including photos, videos elsewhere in a breeze.
Checks free volume/disk space and prevents crashes