How to disable automatic category assignments in bills?

I'll help you turn off automatic category assignments in bills, master.

You could be referring to the autofill feature when entering bills. If this is the case, here's how to switch it off:

1. Click the Gear icon in the upper right corner and select Account and settings.
2. Select Advanced and click the pencil icon beside the Automation section.
3. Turn off the toggle button beside Pre-fill forms with previously entered content and hit Save.

Additionally, I'll share this article to help you track bills and record payments: Enter and manage bills and bill payments in QuickBooks Online.

Hit reply if you need further assistance managing your bills. I'll be here to help. Take care!