If you have a secondary or backup hard drive available, it’s a good idea to set the backup location to that drive. Choose a place to put your backup files.Set QuickBooks to automatically back up every time you close your company file.Set QuickBooks to automatically back up the company file every few hours or once a day.Launch QuickBooks Mac 2020 (if you haven’t already).The first thing you’ve got to do is set up your backup preferences. But don’t worry-it’s easy to get QuickBooks going again. Sometimes things just don’t go well-files get messed up, computers crash.