Backups are no longer made every hour, but their frequency depends on the likely amount needing to be backed up. A hidden if not secret feature.
Time Machine
Are your backups made every hour? Are you sure? Sierra might have become smarter as to how often it backs up.
This is a list of bad features, poor interface design, problems with third-party apps, etc. Known bugs in […]
How often, and how much? Decide by thinking through how you would use your backup to restore your Mac after disaster.
Don’t you want to search your backups? Like it or not, Spotlight will still index them, even if it doesn’t tell you that it is.
When should you create a new user, and how should you delete them?
A second hard drive failure in my Promise Pegasus RAID system forces some choices.
Is it a good idea to let your laptop back itself up to its startup drive?
Have you just got a new Mac, or have you just ordered one to replace an old, ailing, or dead one? Here is advice on making the move from old to new.
How I recovered my broken RAID backups, and got everything working again.
The Eclectic Light Company 