Let me share how it works in QuickBooks Online, Go2girl.
You'll have to create transactions, like invoices, bills, or expenses, and tag the customer/project. This way, you can enter the balances.
I'll add this reference to help you manage your projects: Set up and create projects in QuickBooks Online.
If you have more questions, feel free to let us know. We'll reply as soon as we can. Take care!
