cPanel have introduced a new backup system in 11.38, this is most robust, have more options and is easy to use. I personally like the option of additional backup destinations.
You can configure new backup system from “configure backup” where as old one is still in place but has been moved to “legacy backup”.
If you have to force start new backup system, you can use
And if you are still using legacy backup system, it can be done using the same