QuickBooks Online automatically backs your data up, Azong

However, you can look for third-party applications that can do QuickBooks Online backups. Check out the Apps Center to see apps you'll want to work with.

If you want to save a copy of your information directly saved on your computer, you can export reports and lists. Refer to this article for more details: Export Data out of QuickBooks Online.

I'll be right here if you have other concerns.