Enabling or disabling automatic for QuickBooks Online login is a straightforward process. Begin by logging into your QuickBooks Online account. Then, go to the "Profile" icon in the upper right-hand corner and select "Account and Settings". From there, navigate to the "Advanced" tab on the left-hand menu. Here, you'll find the "Sign-in options" section. To enable automatic login, check the box next to "Keep me signed in". Conversely, to disable it, simply uncheck the box.